Document Documentand Entity Information [Abstract] Document Documentand Entity Information [Abstract] Document Documentand Entity Information [Abstract] Document Documentand Entity Information [Abstract] Entities [Table] Entities [Table] Entities [Table] Legal Entity [Axis] Legal Entity [Axis] Legal Entity [Axis] Entity [Domain] Entity [Domain] Entity [Domain] Document Information [Line Items] Document Information [Line Items] Document Information [Line Items] Document Type Document Type Document Type Amendment Flag Amendment Flag Amendment Flag Document Period End Date Document Period End Date Document Period End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Document Fiscal Period Focus Trading Symbol Trading Symbol Trading Symbol Entity Registrant Name Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Current Fiscal Year End Date Entity Filer Category Entity Filer Category Entity Filer Category Entity Common Stock Shares Outstanding Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Statement Of Financial Position [Abstract] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Statement [Table] Statement [Table] Statement [Table] Statement [Line Items] Statement [Line Items] Statement [Line Items] Assets [Abstract] Assets Assets Assets Current [Abstract] Current assets: Current assets Cash and Cash Equivalents At Carrying Value Cash and cash equivalents Cash and cash equivalents Cash and cash equivalents at beginning of period Cash and cash equivalents at end of period Marketable Securities Marketable securities Accounts Receivable, Net Accounts receivable, net Accrued Investment Income Receivable Accrued investment income Inventory, Finished Goods, Net Of Reserves Finished goods inventory, net Income Taxes Receivable Income taxes refundable Income taxes refundable Prepaid Expense and Other Assets Current Prepaid expenses and other current assets Prepaid expenses and other current assets Deferred Tax Assets, Other Other deferred assets Assets Current Total current assets Total current assets Property, Plant and Equipment, Net Property, plant and equipment, net Property, plant and equipment, net Total property, plant and equipment, net Other Assets Other assets Assets Total assets Total assets Liabilities and Stockholders Equity [Abstract] Liabilities and Stockholders' Equity Liabilities Current [Abstract] Current liabilities: Current liabilities Accounts Payable Current Accounts payable Accounts payable Accrued Liabilities Current Accrued expenses Accrued expenses Total Deferred Revenue Deferred revenue Other Liabilities, Current Other current liabilities Liabilities Current Total current liabilities Total current liabilities Other Liabilities Other liabilities Liabilities Total liabilities Total liabilities Commitments and Contingencies Commitments and contingencies (Note 11) Commitments and contingencies (Note 9) Stockholders Equity [Abstract] Stockholders' Equity: Common Stock Value Common stock: $.01 par value per shares; 100,000 shares authorized, 46,376 and 45,867 shares issued and outstanding at March 31, 2013 and December 31, 2012, respectively Common stock - $.01 par value; 100,000 shares authorized; 45,864 and 45,320 shares issued and outstanding at September 30, 2012 and December 31, 2011 Additional Paid In Capital Common Stock Additional paid-in capital Additional paid-in capital Retained Earnings Accumulated Deficit Accumulated deficit Accumulated deficit Accumulated Other Comprehensive Income (Loss), Net Of Tax Accumulated other comprehensive income (loss) Stockholders Equity Total stockholders' equity Total stockholders' equity Beginning Balance Ending Balance Liabilities and Stockholders Equity Total liabilities and stockholders' equity Total liabilities and stockholders' equity Common Stock Par Or Stated Value Per Share Common stock, par value Common stock, par value Common Stock Shares Authorized Common stock, shares authorized Common stock, shares authorized Common Stock Shares Issued Common stock, shares issued Common stock, shares issued Common Stock Shares Outstanding Common stock, shares outstanding Common stock, shares outstanding Income Statement [Abstract] Income Statement [Abstract] Income Statement [Abstract] Revenues [Abstract] Revenues: Revenues Royalty Revenue Royalty revenue Royalty revenue Revenues Total revenues Total revenues Revenues Costs and Expenses [Abstract] Operating expenses: Operating expenses Research and Development Expense Research and development Research and development Selling General and Administrative Expense Selling, general and administrative Marketing, general and administrative Costs and Expenses Total operating expenses Total operating expenses Total operating expenses Income (Loss) From Operations Loss from operations Loss from operations Operating loss Operating loss Income (loss) from operations Nonoperating Income (Expense) [Abstract] Non-operating income: Investment Income, Nonoperating Investment income Investment income Marketable Securities, Gain (Loss) Gain on sales of marketable securities Gain on sales of marketable securities Gain on sales of marketable securities Other Nonoperating Income (Expense) Other income (expense) Other income (expense), net Total other income Total other income (expense) Income Loss From Continuing Operations Before Income Taxes Minority Interest and Income Loss From Equity Method Investments Income (loss) before income tax Loss before income taxes Income Tax Expense (Benefit) Provision for income taxes Income tax expense Provision for income taxes Provision for income taxes Net Income (Loss) Net income (loss) Net loss Net loss Net loss Numerator: net loss Other Comprehensive Income (Loss), Net Of Tax [Abstract] Other comprehensive income (loss): Unrealized Gain (Loss) On Securities Unrealized gains on securities Other Comprehensive Income (Loss), Net Of Tax Other comprehensive income (loss) Total other comprehensive income (loss) Comprehensive Income (Loss), Net Of Tax, Attributable To Parent Total comprehensive income Comprehensive income (loss) Comprehensive income (loss) Earnings Per Share [Abstract] Earnings (loss) per share: Earnings (loss) per share Earnings Per Share, Basic Basic Basic earnings (loss) per common share Income (loss) per common share Basic Basic earnings (loss) per share Earnings Per Share, Diluted Diluted Diluted earnings (loss) per common share Diluted earnings (loss) per share Weighted Average Number Of Shares Outstanding Diluted Disclosure Items [Abstract] Denominator: Weighted average shares outstanding: Weighted Average Number Of Shares Outstanding Basic Basic Basic Weighted average number of shares outstanding Weighted Average Number Of Diluted Shares Outstanding Diluted Diluted Weighted average number of shares outstanding Statement Of Stockholders Equity [Abstract] Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Equity Components [Axis] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Equity Component [Domain] Common Stock [Member] Common Stock Additional Paid In Capital [Member] Additional paid-in capital Additional paid-in capital Retained Earnings [Member] Accumulated deficit Accumulated deficit Accumulated Other Comprehensive Income (Loss) [Member] Accumulated Other Comprehensive Income (Loss) Award Type [Axis] Award Type [Axis] Award Type [Axis] Award Type [Domain] Award Type [Domain] Award Type [Domain] Cashless [Member] Cashless Restricted Stock Units (Rsus) [Member] Restricted Stock Units (RSUs) Option Non Cash Exercise One [Member] Cashless exercise of stock options Option Non Cash Exercise1 Option Non Cash Exercise1 [Member] Shares Outstanding Beginning Balance (in shares) Beginning Balance (in shares) Ending Balance (in shares) Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value Share-based compensation Share-based compensation Stock Issued During Period Shares Restricted Stock Award Net Of Forfeitures Net distribution of common stock pursuant to restricted stock unit award plan (in shares) Net distribution of common stock pursuant to restricted stock unit award plan (in shares) Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures Net distribution of common stock pursuant to restricted stock unit award plan Net distribution of common stock pursuant to restricted stock unit award plan Shares Withheld For Tax Shares Common shares withheld for withholding taxes (in shares) Shares withheld for tax, shares Common shares withheld for withholding taxes (in shares) Shares Withheld For Tax Value Common shares withheld for withholding taxes Shares withheld for tax, value Common shares withheld for withholding taxes Stock Issued During Period, Shares, Other Net issuance of common stock pursuant to cashless exercise of stock options (in shares) Stock Issued During Period, Shares, Other Stock Issued During Period, Value, Other Net issuance of common stock pursuant to cashless exercise of stock options Stock Issued During Period, Value, Other Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Exercises In Period Issuance of common stock for exercise of stock options (in shares) Number of options, exercised Shares issued in cashless exercise of stock option Number of options, exercised Number of Options, Exercised Stock Issued During Period Value Stock Options Exercised Issuance of common stock for exercise of stock options Issuance of common stock for exercise of stock options Statement Of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Net Cash Provided By Used In Operating Activities [Abstract] Cash Flows from Operating Activities: Cash flows from operating activities: Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities [Abstract] Adjustments to reconcile net loss to net cash (used in) provided by operating activities: Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities: Depreciation, Depletion and Amortization, Nonproduction Depreciation Share-Based Compensation Share-based compensation Non-cash share-based compensation expense Increase Decrease In Operating Capital [Abstract] Changes in assets and liabilities Changes in assets and liabilities Increase (Decrease) In Accounts Receivable Accounts receivable, net Accounts receivable, net Increase (Decrease) In Accrued Investment Income Receivable Accrued investment income Accrued investment income Increase (Decrease) In Finished Goods and Work In Process Inventories Finished goods inventory, net Finished goods inventory, net Increase Decrease In Income Taxes Receivable Income taxes refundable Income taxes refundable Income taxes refundable Increase Decrease In Prepaid Deferred Expense and Other Assets Prepaid expenses and other current assets Prepaid expenses and other current assets Prepaid expenses and other current assets Increase (Decrease) In Deferred Income Taxes Other deferred assets Other deferred assets Increase (Decrease) In Other Operating Assets Other assets Other assets Increase Decrease In Accounts Payable Accounts payable Accounts payable Increase Decrease In Accrued Liabilities Accrued expenses Accrued expenses Increase (Decrease) In Deferred Revenue Deferred revenue Net Cash Provided By Used In Operating Activities Net cash (used in) provided by operating activities Net cash used in operating activities Net cash provided by (used in) operating activities Net Cash Provided By (Used In) Investing Activities [Abstract] Cash Flows from Investing Activities: Payments To Acquire Marketable Securities Purchases of marketable securities Purchases of marketable securities Proceeds From Sale and Maturity Of Marketable Securities Proceeds from sale of marketable securities Payments To Acquire Property, Plant, and Equipment Additions to property, plant and equipment Cash flows used in investing activities - purchase of property and equipment Cash flows used in investing activities - purchase of property and equipment Additions to property, plant and equipment Net Cash Provided By (Used In) Investing Activities Net cash used in investing activities Net cash provided by (used in) investing activities Net Cash Provided By Used In Financing Activities [Abstract] Cash Flows from Financing Activities: Cash flows from financing activities: Proceeds From Stock Options Exercised Proceeds from exercise of stock options Exercise of stock options Proceeds From Other Equity Proceeds from distribution of restricted stock units Distribution of restricted stock units Payments Related To Tax Withholding For Share-Based Compensation Payments related to tax withholding for share-based compensation Statutory minimum withholding taxes paid on the distribution of common stock pursuant to restricted stock unit plan and exercise of stock options Statutory minimum withholding taxes paid on the distribution of common stock pursuant to restricted stock unit plan and exercise of stock options Statutory minimum withholding taxes paid on the distribution of common stock pursuant to restricted stock unit plan and exercise of stock options Net Cash Provided By Used In Financing Activities Net cash used in finance activities Net cash used in financing activities Net cash (used in) provided by financing activities Cash and Cash Equivalents Period Increase Decrease Net increase (decrease) in cash and cash equivalents Net decrease in cash and cash equivalents Cash Paid During Period For [Abstract] Cash paid during the period for: Cash paid during the period: Cash Paid During Period For [Abstract] Interest Paid Interest Interest Income Taxes Paid Income taxes, net of refunds Scenario [Axis] Scenario [Axis] Scenario [Axis] Scenario, Unspecified [Domain] Scenario, Unspecified [Domain] Scenario, Unspecified [Domain] Restricted Stock Unit [Member] Restricted Stock Unit Restricted Stock Unit [Member] Stock Options [Member] Stock Option Stock options Cash Flow Noncash Investing and Financing Activities Disclosure [Abstract] Supplemental Disclosure of Noncash Financing Activities: Supplemental Disclosure of Noncash Financing Activities: Equity Based Employee Compensation Granted Shares Equity based employee compensation granted Equity based employee compensation granted Equity Based Employee Compensation Granted, Shares Common Stock Withheld Shares Common stock withheld in exercise costs in shares Common stock withheld in exercise costs in shares Common Stock Withheld , Shares Equity Issuance Costs Withheld Common stock withheld in exercise costs Common stock withheld in exercise costs Equity Issuance Costs Withheld Shares Withheld To Satisfy Employees Tax Withholding Shares Witholding of exercise cost in shares Witholding of exercise cost in shares Shares Withheld to Satisfy Employees Tax Withholding, Shares Supplemental Tax Withholding Minimum statutory withholding payroll taxes withheld Minimum statutory withholding payroll taxes withheld Supplemental Tax Withholding Common Stock Issued Shares Common Stock issued upon exercise Common Stock issued upon exercise Common Stock Issued, Shares Description Of Business Disclosure [Abstract] Description Of Business Disclosure [Abstract] Business Description and Accounting Policies [Text Block] DESCRIPTION OF BUSINESS AND PRESENTATION BASIS OF PRESENTATION Research and Development Activities [Abstract] Research and Development Activities [Abstract] Research and Development Activities [Text Block] RESEARCH AND DEVELOPMENT ACTIVITIES Research and development activities Text Block Revenue Recognition [Abstract] Revenue Recognition [Abstract] Revenue Recognition Multiple Deliverable Arrangements [Text Block] REVENUE RECOGNITION Revenue Recognition Multiple Deliverable Arrangements [Text Block] Revenue Recognition Multiple Deliverable Arrangements. Research and Development Disclosure [Abstract] Research and Development Disclosure [Abstract] Research and Development Disclosure [Text Block] LICENSE, DEVELOPMENT, AND COMMERCIALIZATION AGREEMENT RESEARCH AND DEVELOPMENT Research And Development Disclosure. Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Income Tax Disclosure Text Block INCOME TAXES Investments Marketable Securities [Abstract] Investments Marketable Securities [Abstract] Investments Marketable Securities Table [Text Block] INVESTMENTS IN MARKETABLE SECURITIES Investments Marketable Securities Table Text Block Inventory Disclosure [Abstract] Inventory Disclosure [Abstract] Inventory Disclosure [Text Block] INVENTORIES Payables and Accruals [Abstract] Payables and Accruals [Abstract] Accounts Payable and Accrued Liabilities Disclosure [Text Block] ACCRUED EXPENSES Disclosure Of Compensation Related Costs, Share-Based Payments [Abstract] Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Disclosure Of Compensation Related Costs Share Based Payments Text Block SHARE-BASED COMPENSATION EMPLOYEE BENEFIT PLANS Stockholders Equity Note [Abstract] Stockholders Equity Note [Abstract] Stockholders Equity Note Disclosure Text Block COMMON STOCK WARRANTS Earnings Per Share [Text Block] EARNINGS PER SHARE ("EPS") Earnings Per Share [Text Block] Commitments and Contingencies Disclosure [Abstract] Commitments And Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure Text Block COMMITMENTS AND CONTINGENCIES Marketable Securities [Table Text Block] Marketable securities Marketable Securities [Table Text Block] Available-For-Sale Securities, Continuous Unrealized Loss Position, Fair Value [Table Text Block] Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value Fair Value, Assets Measured On Recurring Basis [Table Text Block] Fair Value, Assets Measured on Recurring Basis Fair Value, Assets Measured on Recurring Basis [Table Text Block] Schedule Of Accrued Liabilities Table [Text Block] Accrued expenses Accrued Expenses Schedule Of Employee Service Share-Based Compensation, Allocation Of Recognized Period Costs [Table Text Block] Share-Based Compensation Expense Recognized Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block] Schedule Of Share Based Compensation Stock Options Activity [Table Text Block] Schedule of Share-based Compensation, Stock Options, Activity Schedule Of Share Based Payment Award Stock Options Valuation Assumptions [Table Text Block] Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions Schedule Of Share Based Compensation Restricted Stock Units Award Activity [Table Text Block] Schedule of Share-based Compensation, Restricted Stock Units Award Activity Schedule Of Earnings Per Share, Basic and Diluted [Table Text Block] Reconciliation of Numerators and Denominators of Basic and Diluted EPS Schedule Of Research and Development Assets Acquired Other Than Through Business Combination [Table] Schedule of Research and Development Assets Acquired Other than Through Business Combination [Table] Research and Development Assets Acquired Other Than Through Business Combination [Line Items] Research and Development Assets Acquired Other than Through Business Combination [Line Items] Accrued Research and Development Expense Current Accrued research and development expense current Accrued research and development expense current. Revenue Recognition, Multiple-Deliverable Arrangements [Table] Revenue Recognition, Multiple-deliverable Arrangements [Table] Revenue Recognition, Multiple-Deliverable Arrangements [Line Items] Revenue Recognition, Multiple-deliverable Arrangements [Line Items] Deferred Revenue, Current Recognition of revenue, deferred Payment Of Royalty Maximum Contractual Term Payment of royalty maximum contractual term Payment of Royalty Maximum Contractual Term. Sales Revenue, Services, Net Sales revenue services net Sales Revenue, Services, Net Disclosure License Development and Commercialization Agreement Additional Information [Abstract] Disclosure - License Development and Commercialization Agreement - Additional Information [Abstract] Disclosure License Development and Commercialization Agreement Additional Information [Abstract] License Development and Commercialization Agreement [Table] License Development and Commercialization Agreement [Table] Contingent Consideration By Type [Axis] Contingent Consideration by Type [Axis] Contingent Consideration Type [Domain] Contingent Consideration Type [Domain] Pivotal Phase Iii Clinical Study [Member] Pivotal Phase III Clinical Study Pivotal Phase Iii Clinical Study [Member] Fdas Approval [Member] Fda's Approval Range [Axis] Range [Axis] Range [Domain] Range [Domain] Minimum [Member] Minimum Maximum [Member] Maximum License Development and Commercialization Agreement [Line Items] License Development and Commercialization Agreement [Line Items] Research and Development Contingent Consideration Payment Sales Milestone Payment Description Research and development contingent consideration payment, sales milestone payment ,description Research and Development Contingent Consideration Payment Sales Milestone Payment Description Research and Development Contingent Consideration Payment Sales Milestone Payment Description Percentage Of Royalty Percentage of royalty Percentage Of Royalty Percentage Of Royalty Percentage Of Royalty Deduct To Settle Third Party Claim Percentage of royalty deducted to settle third party claim Percentage Of Royalty Deduct To Settle Third Party Claim Percentage Of Royalty Deduct To Settle Third Party Claim Percentage Of Royalty Of Royalty Payable Minimum Percentage of royalty of royalty , payable minimum Percentage Of Royalty Of Royalty Payable Minimum Percentage Of Royalty Of Royalty Payable Minimum Royalty Payment Obligation Expiration Description Royalty payment obligation expiration description Royalty Payment Obligation Expiration Description. Patents Expiration Year Patents expiration year Patents Expiration Year. Income Tax Disclosure [Table] Income Tax Disclosure [Table] Income Tax Disclosure [Line Items] Income Tax Disclosure [Line Items] Operating Loss Carry Forwards Expiration Year NOL expiration year Operating Loss Carry Forwards Expiration Year Investment In Marketable Securities [Abstract] Investment In Marketable Securities [Abstract] Marketable Securities [Table] Marketable Securities [Table] Defined Benefit Plan, Asset Categories [Axis] Defined Benefit Plan, Asset Categories [Axis] Plan Asset Categories [Domain] Plan Asset Categories [Domain] Exchange Traded Funds [Member] Exchange-traded funds Pooled Investment Fund [Member] Pooled investment fund Investment In Marketable Securities [Line Items] Investment In Marketable Securities [Line Items] Marketable Securities [Abstract] Marketable securities: Marketable securities: Available-For-Sale Securities, Debt Maturities, Next Twelve Months, Fair Value Corporate bonds - maturing within 1 year Available-For-Sale Securities, Debt Maturities, Year Two Through Five, Fair Value Corporate bonds - maturing after 1 through 4.25 years Corporate bonds - maturing after one through four years Marketable Securities Current Total marketable securities Total marketable securities FairValue Available-For-Sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract] Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract] Available For Sale Securities Continuous Unrealized Loss Position Fair Value [Table] Available For Sale Securities Continuous Unrealized Loss Position Fair Value [Table] Major Types Of Debt and Equity Securities [Axis] Major Types of Debt and Equity Securities [Axis] Major Types Of Debt and Equity Securities [Domain] Major Types of Debt and Equity Securities [Domain] Corporate Bonds [Member] Corporate Bonds Available For Sale Securities Continuous Unrealized Loss Position Fair Value [Line Items] Available For Sale Securities Continuous Unrealized Loss Position Fair Value [Line Items] Available-For-Sale Securities, Amortized Cost Basis Cost Available-for-sale Securities, Amortized Cost Basis Available-For-Sale Securities, Gross Unrealized Gains Gross Unrealized Gains Available-for-sale Securities, Gross Unrealized Gains Available-For-Sale Securities, Gross Unrealized Losses Available-for-sale Securities, Gross Unrealized Losses Gross Unrealized Losses Assets Measured At Fair Value Or Disclosed At Fair Value On Recurring Basis [Abstract] Assets Measured At Fair Value Or Disclosed At Fair Value On Recurring Basis [Abstract] Assets Measured At Fair Value Or Disclosed At Fair Value On Recurring Basis [Table] Assets Measured At Fair Value Or Disclosed At Fair Value On Recurring Basis [Table] Fair Value, Hierarchy [Axis] Fair Value, Hierarchy [Axis] Fair Value, Measurements, Fair Value Hierarchy [Domain] Fair Value, Measurements, Fair Value Hierarchy [Domain] Fair Value, Inputs, Level 1 [Member] Fair Value, Inputs, Level 1 Fair Value, Inputs, Level 2 [Member] Fair Value, Inputs, Level 2 Fair Value, Inputs, Level 3 [Member] Fair Value, Inputs, Level 3 Business Segments [Axis] Business Segments [Axis] Segment [Domain] Segment [Domain] Corporate [Member] Corporate bonds Assets Measured At Fair Value Or Disclosed At Fair Value On Recurring Basis [Line Items] Assets Measured At Fair Value Or Disclosed At Fair Value On Recurring Basis [Line Items] Investment In Marketable Securities [Table] Investment In Marketable Securities [Table] Schedule Of Inventory [Table] Schedule Of Inventory [Table] Inventory [Line Items] Inventory [Line Items] Fifo Inventory Amount FIFO inventory amount Disclosure Accrued Expenses [Abstract] Disclosure - Accrued Expenses [Abstract] Disclosure - Accrued Expenses [Abstract] Disclosure - Accrued Expenses [Abstract] Accounts Payable and Accrued Liabilities [Table] Accounts Payable and Accrued Liabilities [Table] Accounts Payable and Accrued Liabilities [Table] Accounts Payable and Accrued Liabilities [Table] Accounts Payable and Accrued Liabilities [Line Items] Accounts Payable and Accrued Liabilities [Line Items] Accounts Payable and Accrued Liabilities [Line Items] Accounts Payable and Accrued Liabilities [Line Items] Employee Related Liabilities Current Payroll, payroll taxes, bonus and benefits Payroll, payroll taxes and benefits Accrued Professional Fees Current Professional services Professional services Other Accrued Taxes Current Franchise taxes Franchise taxes Other Accrued Taxes Current Accrual For Taxes Other Than Income Taxes Current Property taxes Property taxes Manufacturing Services Costs Contract manufacturing services Manufacturing services costs. Accrued Other Professional Fees Current Clinical and regulatory services Accrued Other Professional Fees, Current Other Accrued Liabilities Current Other fees and services Other fees and services Disclosure Non Cash Share Based Compensation Expense [Abstract] Disclosure - Non-Cash Share-Based Compensation Expense [Abstract] Disclosure - Non-Cash Share-Based Compensation Expense [Abstract] Disclosure - Non-Cash Share-Based Compensation Expense [Abstract] Schedule Of Share-Based Compensation Arrangements By Share-Based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Nature Of Expense [Axis] Nature of Expense [Axis] Nature of Expense [Axis] Interim Period Costs Not Allocable [Domain] Interim Period, Costs Not Allocable [Domain] Interim Period, Costs Not Allocable [Domain] Research and Development Expense [Member] Research and development Research and development General and Administrative Expense [Member] General and administrative General and administrative Share Based Compensation Arrangement By Share Based Payment Award [Line Items] Share based Compensation Arrangement by Share-based Payment Award [Line Items] Disclosure Stock Option Award Activity [Abstract] Disclosure - Stock Option Award Activity [Abstract] Disclosure - Stock Option Award Activity [Abstract] Disclosure - Stock Option Award Activity [Abstract] Plan Name [Axis] Plan Name [Axis] Plan Name [Domain] Plan Name [Domain] Stock Option Plan [Member] Stock Option Plan Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number Number of options outstanding, beginning Number of Options Outstanding, beginning Number of Options Outstanding, ending Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Number of Options, Granted Number of options, granted Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period Number of options, forfeited or expired Number of Options, Forfeited or expired Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number Number of Options exercisable Number of options exercisable Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price Weighted average exercise price, beginning Weighted Average Exercise Price, beginning Weighted Average Exercise Price, ending Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price Weighted Average Exercise Price, Granted Weighted average exercise price, granted Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price Weighted Average Exercise Price, Exercised Weighted average exercise price, exercised Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price Weighted Average Exercise Price, Forfeited or expired Weighted average exercise price, forfeited or expired Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price Weighted Average Exercise Price, Options exercisable Weighted average exercise price, options exercisable Disclosure Assumptions Used In Black Scholes Model To Determine Fair Value For Stock Option Awards Granted [Abstract] Disclosure - Assumptions Used in Black-Scholes Model to Determine Fair Value for Stock Option Awards Granted [Abstract] Disclosure - Assumptions Used in Black-Scholes Model to Determine Fair Value for Stock Option Awards Granted [Abstract] Disclosure - Assumptions Used in Black-Scholes Model to Determine Fair Value for Stock Option Awards Granted [Abstract] Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate Dividend yield Dividend yield Share-Based Compensation Arrangement By Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Average risk-free interest rate Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate Average expected volatility Average volatility Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term 1 Expected term (years) Expected holding period Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value Weighted average grant date fair value Weighted average grant date fair value Summary Of Information About Non Vested Stock Options Disclosure [Abstract] Summary Of Information About Non Vested Stock Options Disclosure [Abstract] Antidilutive Securities [Axis] Antidilutive Securities [Axis] Antidilutive Securities [Axis] Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Rsus [Member] Restricted Stock Units Vested Restricted Stock Units [Member] Vested Restricted Stock Units (RSUs) Vested Restricted Stock Units Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Nonvested, Number Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Outstanding, beginning Outstanding, ending Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Grants In Period Granted Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Granted (Number of RSUs) Share Based Compensation Arrangement By Share Based Payment Award Equity Instrument Other Than Options Distributed In Period Share Based Compensation Arrangement By Share Based Payment Award Equity Instrument Other Than Options Distributed In Period Share Based Compensation Arrangement By Share Based Payment Award Equity Instrument Other Than Options Distributed In Period Distributed Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Vested In Period Vested Number of vested shares distributed to holders Vested (Number of RSUs) Vested Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Forfeited In Period Forfeited or expired Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Forfeited or expired (Number of RSUs) Forfeited or expired Four Zero One K and Profit Sharing Plan [Member] 401(k) and Profit-Sharing Plan Stock Option [Member] Stock Option Option Plan [Member] Option Plan Subsequent Event Type [Axis] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Subsequent Event [Member] Number Of Stock Incentive Plans Number of stock incentive plans Number Of Stock Incentive Plans. Share Based Compensation Arrangement By Share Based Payment Award Options Exercised Percentage Percentage of exercised non-incentive stock options Share Based Compensation Arrangement By Share Based Payment Award Options Exercised Percentage. Shares Paid For Tax Withholding For Share Based Compensation Shares withheld to satisfy statutory minimum withholding tax obligations Shares withheld upon elections made to exchange RSUs Taxes Withheld On Issuance Of Stock Based Awards Withholding tax obligations Withholding tax obligations Taxes withheld on issuance of stock-based awards. Stock Issued During Period Shares Stock Options Exercised Net Of Shares For Tax Withholdings Options exercised to purchase common shares net of shares for tax withholdings Stock Issued During Period Shares Stock Options Exercised Net Of Shares For Tax Withholdings Stock Issued During Period Shares Stock Options Exercised Net Of Shares For Tax Withholdings Employee Service Share-Based Compensation, Nonvested Awards, Total Compensation Cost Not Yet Recognized, Stock Options Unrecognized share based compensation expense from stock options grants Employee Service Share-Based Compensation, Nonvested Awards, Total Compensation Cost Not Yet Recognized, Period For Recognition Employee service share based compensation nonvested awards period Employee service share based compensation nonvested awards period Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Option Awards Distributed Percentage RSU plan vested shares distributed percentage Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Option Awards Distributed Percentage. Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Distributed In Period Restricted stock units distributed Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Distributed In Period. Restricted Stock, Shares Issued Net Of Shares For Tax Withholdings Restricted stock units distributed net of shares for tax withholdings Disclosure Common Stock Warrants Additional Information [Abstract] Disclosure - Common Stock Warrants - Additional Information [Abstract] Disclosure - Common Stock Warrants - Additional Information [Abstract] Disclosure - Common Stock Warrants - Additional Information [Abstract] Class Of Warrant Or Right [Table] Class of Warrant or Right [Table] Class of Warrant or Right [Table] Class Of Warrant Or Right [Line Items] Class of Warrant or Right [Line Items] Class of Warrant or Right [Line Items] Class Of Warrant Or Right, Outstanding Common stock warrant exercisable outstanding, shares Common stock warrant exercisable outstanding, shares Exercise Price Of Warrants Common stock warrant exercise price Common stock warrant exercise price Exercise Price Of Warrants Class Of Warrant Or Right Expiration Date Common stock Warrant expiration date Common stock Warrant expiration date Class of Warrant or Right, Expiration Date Earnings Per Share Reconciliation [Abstract] Earnings Per Share Reconciliation [Abstract] Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Table] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Warrant [Member] Common stock warrants Warrant Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Earning Per Share Basic Numerator [Abstract] EPS- basic and diluted Basic income (loss) per share computation Numerator: Earning Per Share, Basic Numerator [Abstract] Weighted Average Number Of Shares Outstanding Basic [Abstract] Denominator: Denominator: Weighted Average Number Of Shares Issued Basic Common shares Common shares Weighted Average Number Of Shares, Restricted Stock Vested RSUs Vested RSUs RSUs Weighted Average Number Of Shares Outstanding, Basic and Diluted Weighted average number of shares outstanding Basic and diluted weighted average shares outstanding Earnings Per Share, Basic and Diluted EPS - basic and diluted Basic earnings (loss) per common share Common Stock Issuable [Abstract] Common stock issuable: Antidilutive Securities Excluded From Computation Of Earnings Per Share, Amount Total excluded potentially dilutive shares Excluded potentially dilutive securities: Disclosure Commitments and Contingencies Additional Information [Abstract] Disclosure Commitments And Contingencies Additional Information [Abstract] Disclosure Commitments And Contingencies Additional Information [Abstract] Disclosure Commitments And Contingencies Additional Information [Abstract] Commitments and Contingencies Disclosure [Table] Commitments and Contingencies Disclosure [Table] Commitments and Contingencies Disclosure [Table] Commitments and Contingencies Disclosure [Table] Restricted Stock Unit Award Plan [Member] Restricted Stock Unit Award Plan Restricted Stock Unit Award Plan. Elections [Member] Elections Other Elections [Member] Other Elections Location [Axis] Location [Axis] Location [Domain] Location [Domain] Pennsylvania State [Member] Pennsylvania State New Jersey State [Member] New Jersey State California State [Member] California State Palatine Lllinois [Member] Palatine Lllinois Title Of Individual [Axis] Title of Individual [Axis] Title Of Individual With Relationship To Entity [Domain] Title of Individual with Relationship to Entity [Domain] Financial Advisor [Member] Financial Advisor Commitments and Contingencies Disclosure [Line Items] Commitments and Contingencies Disclosure [Line Items] Commitments and Contingencies Disclosure [Line Items] Commitments and Contingencies Disclosure [Line Items] Number Of Lawsuits Filed Number of lawsuits filed Number Of Lawsuits Filed Number of lawsuits filed Number Of Lawsuits Served Number of lawsuits served Number Of Lawsuits Served Number of lawsuits served. Loss Contingency, Number Of Plaintiffs Number of plaintiffs served in a single complaint Warrants and Rights Outstanding Amount of warrants issued in unit offering Percentage Of Fee Assumed On Exercise Of Warrants In Unit Offering Percentage of fee assumed on exercise of warrants in unit offering Percentage Of Fee Assumed On Exercise Of warrants In Unit Offering Operating Leases, Rent Expense, Net Leases administrative office space Leases administrative office space Description Of Lessor Leasing Arrangements, Operating Leases Lease expiring date Lease expiring date Cost of Goods Sold, Total Cost of sales Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumption Expected Forfeitures Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumption Expected Forfeitures. Expected forfeitures Investment In Marketable Securities Additional Information Detail [Abstract] Investment In Marketable Securities - Additional Information (Detail) [Abstract]