Entity Central Index Key Income tax reconciliation separation related adjustment. Unrecognized tax benefits increases (decreases) resulting from prior period tax positions. Income tax reconciliation permanent differences. Document And Entity Information [Abstract] Document And Entity Information [Abstract] Document Type Document Type Amendment Flag Amendment Flag Document Period End Date Document Period End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Trading Symbol Trading Symbol Entity Registrant Name Entity Registrant Name Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Entity Well-known Seasoned Issuer Entity Well Known Seasoned Issuer Entity Current Reporting Status Entity Current Reporting Status Entity Voluntary Filers Entity Voluntary Filers Entity Filer Category Entity Filer Category Entity Common Stock, Shares Outstanding Entity Common Stock Shares Outstanding Entity Public Float Entity Public Float In process research and development. Intangible assets net excluding goodwill and in-process research and development. Sales rebates and discounts. Contribution receivable from former parent. Former parent investment in subsidiary. Statement Of Financial Position [Abstract] ASSETS Assets [Abstract] Current assets: Assets Current [Abstract] Cash and cash equivalents Cash And Cash Equivalents At Carrying Value Restricted cash Restricted Cash And Cash Equivalents Short-term investments Short Term Investments Accounts receivable, net Accounts Receivable Net Current Inventories Inventory Net Income tax receivable, net Income Taxes Receivable Prepaid expenses and other current assets Prepaid Expense And Other Assets Current Total current assets Assets Current Property and equipment, net Property Plant And Equipment Net In-process research and development In Process Research And Development Intangible assets, net Intangible Assets Net Excluding Goodwill And In Process Research And Development Goodwill Goodwill Total assets Assets LIABILITIES AND STOCKHOLDERS' EQUITY Liabilities And Stockholders Equity [Abstract] Current liabilities: Liabilities Current [Abstract] Accounts payable and other accrued liabilities Accounts Payable And Other Accrued Liabilities Current Accrued compensation Employee Related Liabilities Current Contingent consideration, current portion Business Combination Contingent Consideration Liability Current Sales rebates and discounts Sales Rebates And Discounts Deferred revenue, current portion Deferred Revenue Current Total current liabilities Liabilities Current Deferred revenue, net of current portion Deferred Revenue Noncurrent Long-term debt, net Long Term Debt Noncurrent Deferred income taxes Deferred Tax Liabilities Noncurrent Other liabilities Other Liabilities Noncurrent Total liabilities Liabilities Stockholders' equity: Stockholders Equity [Abstract] Preferred stock: $0.001 par value; 15,000,000 shares authorized, zero shares issued or outstanding Preferred Stock Value Common stock: $0.001 par value; 500,000,000 shares authorized; 20,271,737 and zero shares issued and outstanding at December 31, 2016 and December 31, 2015, respectively Common Stock Value Additional paid-in capital Additional Paid In Capital Common Stock Accumulated other comprehensive income Accumulated Other Comprehensive Income Loss Net Of Tax Contribution receivable from former parent Contribution Receivable From Former Parent Former parent investment in subsidiary Former Parent Investment In Subsidiary Accumulated deficit Retained Earnings Accumulated Deficit Total stockholders' equity Stockholders Equity Total liabilities and stockholders' equity Liabilities And Stockholders Equity Preferred stock, par value Preferred Stock Par Or Stated Value Per Share Preferred stock, shares authorized Preferred Stock Shares Authorized Preferred stock, shares issued Preferred Stock Shares Issued Preferred stock, shares outstanding Preferred Stock Shares Outstanding Common stock, par value Common Stock Par Or Stated Value Per Share Common stock, shares authorized Common Stock Shares Authorized Common stock, shares issued Common Stock Shares Issued Common stock, shares outstanding Common Stock Shares Outstanding Collaborations revenue. Income Statement [Abstract] Revenues: Sales Revenue Net [Abstract] Product sales Sales Revenue Goods Net Collaborations Collaborations Revenue Total revenues Sales Revenue Net Costs and expenses: Costs And Expenses [Abstract] Cost of product sales Cost Of Goods Sold Research and development Research And Development Expense Selling, general and administrative Selling General And Administrative Expense Impairment of goodwill and intangible assets Asset Impairment Charges Loss from operations Operating Income Loss Other income (expense): Other Nonoperating Income Expense [Abstract] Other income (expense), net Other Nonoperating Income Expense Total other income (expense), net Nonoperating Income Expense Loss before income taxes Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest Benefit from income taxes Income Tax Expense Benefit Net loss Net Income Loss Net loss per share - basic and diluted Earnings Per Share Basic And Diluted Shares used to compute net loss per share - basic and diluted Weighted Average Number Of Share Outstanding Basic And Diluted Statement Of Income And Comprehensive Income [Abstract] Net loss Other comprehensive loss: Other Comprehensive Income Loss Net Of Tax Attributable To Parent [Abstract] Unrealized losses on available-for-sale investments, net Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax Total comprehensive loss Comprehensive Income Net Of Tax Restricted cash. Increase (decrease) in sales rebates and discounts. Contingent consideration payments. Statement Of Cash Flows [Abstract] Operating Activities Net Cash Provided By Used In Operating Activities Continuing Operations [Abstract] Net loss Adjustments to reconcile net loss to net cash used in operating activities: Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities [Abstract] Stock-based compensation Share Based Compensation Depreciation and amortization Depreciation Depletion And Amortization Restricted cash Restricted Cash Income taxes Deferred Income Taxes And Tax Credits Provision for allowance for doubtful accounts Provision For Doubtful Accounts Change in fair value of contingent consideration Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 Changes in operating assets and liabilities: Increase Decrease In Operating Capital [Abstract] Accounts receivable Increase Decrease In Accounts Receivable Inventories Increase Decrease In Inventories Income taxes Increase Decrease In Income Taxes Prepaid expenses and other current assets Increase Decrease In Prepaid Deferred Expense And Other Assets Accounts payable, accrued compensation and other liabilities Increase Decrease In Other Accounts Payable And Accrued Liabilities Sales rebates and discounts Increase Decrease In Sales Rebates And Discounts Deferred revenue Increase Decrease In Deferred Revenue Net cash used in operating activities Net Cash Provided By Used In Operating Activities Continuing Operations Investing Activities Net Cash Provided By Used In Investing Activities Continuing Operations [Abstract] Purchases of property and equipment Payments To Acquire Property Plant And Equipment Purchases of investments Payments To Acquire Investments Net cash used in investing activities Net Cash Provided By Used In Investing Activities Continuing Operations Financing Activities Net Cash Provided By Used In Financing Activities Continuing Operations [Abstract] Common stock issued upon exercise of stock options Proceeds From Stock Options Exercised Common stock issued upon vesting of restricted stock units Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Proceeds from long-term debt Proceeds From Issuance Of Long Term Debt Debt issuance costs Payments Of Debt Issuance Costs Transfer from former parent, prior to spin-off Proceeds From Contributions From Parent Contingent consideration payments Contingent Consideration Payments Net cash provided by financing activities Net Cash Provided By Used In Financing Activities Continuing Operations Increase in cash and cash equivalents Cash And Cash Equivalents Period Increase Decrease Cash and cash equivalents at beginning of period Cash and cash equivalents at end of period Supplemental disclosures: Supplemental Cash Flow Information [Abstract] Contribution receivable from former parent Cash paid for interest Interest Paid Cash paid for taxes Income Taxes Paid Stockholders equity net transfers from parent. Stockholders equity note spinoff transaction shares. Statement Of Stockholders Equity [Abstract] Statement [Table] Statement [Table] Equity Components Statement Equity Components [Axis] Equity Component Equity Component [Domain] Common Stock Common Stock [Member] Former parent investment in subsidiary. Former Parent Investment in Subsidiary Former Parent Investment In Subsidiary [Member] Additional Paid-In Capital Additional Paid In Capital [Member] Accumulated Deficit Retained Earnings [Member] Contribution Receivable from former parent. Contribution Receivable from Former Parent Contribution Receivable From Former Parent [Member] Accumulated Other Comprehensive Loss Accumulated Other Comprehensive Income [Member] Statement [Line Items] Statement [Line Items] Balance Balance (in shares) Shares Outstanding Capitalization upon spinoff Stockholders Equity Note Spinoff Transaction Capitalization upon spinoff (in shares) Stockholders Equity Note Spinoff Transaction Shares Net transfers from former parent Stockholders Equity Net Transfers From Former Parent Unrealized losses on available-for-sale investments Unrealized gain on foreign currency denominated receivable Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent Common stock issued upon exercise of stock options Stock Issued During Period Value Stock Options Exercised Common stock issued upon exercise of stock options (in shares) Stock Issued During Period Shares Stock Options Exercised Common stock issued upon vesting of restricted stock units Stock Issued During Period Value Restricted Stock Award Gross Common stock issued upon vesting of restricted stock units (in shares) Stock Issued During Period Shares Restricted Stock Award Gross Stock-based compensation Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value Balance Balance (in shares) Accounting Policies [Abstract] Nature of Business and Significant Accounting Policies Organization Consolidation Basis Of Presentation Business Description And Accounting Policies [Text Block] Accounting Changes And Error Corrections [Abstract] Restatement Accounting Changes And Error Corrections [Text Block] Organization Consolidation And Presentation Of Financial Statements [Abstract] MorphoSys Collaboration Agreement Collaborative Arrangement Disclosure [Text Block] Fair Value Disclosures [Abstract] Fair Value Measurements Fair Value Disclosures [Text Block] Investments Debt And Equity Securities [Abstract] Investments Investment [Text Block] Inventory Disclosure [Abstract] Inventories Inventory Disclosure [Text Block] Property Plant And Equipment [Abstract] Property and Equipment, Net Property Plant And Equipment Disclosure [Text Block] Goodwill And Intangible Assets Disclosure [Abstract] Impairment of Intangible Assets, In-Process Research and Development and Goodwill Goodwill And Intangible Assets Disclosure [Text Block] Intangible Assets Net Excluding Goodwill [Abstract] Intangible Assets, Net Intangible Assets Disclosure [Text Block] Debt Disclosure [Abstract] Debt Debt Disclosure [Text Block] Earnings Per Share [Abstract] Net Loss Per Share Earnings Per Share [Text Block] Equity [Abstract] Equity Shareholders Equity And Share Based Payments [Text Block] Compensation And Retirement Disclosure [Abstract] 401(K) Savings Plan Pension And Other Postretirement Benefits Disclosure [Text Block] Leases [Abstract] Leases and Contingencies Leases Of Lessee Disclosure [Text Block] Income Tax Disclosure [Abstract] Income Taxes Income Tax Disclosure [Text Block] Subsequent Events [Abstract] Subsequent Events Subsequent Events [Text Block] Quarterly Financial Information Disclosure [Abstract] Selected Quarterly Financial Data (unaudited) Quarterly Financial Information [Text Block] Use of Estimates Use Of Estimates Principles of Consolidation Consolidation Policy [Text Block] Cash Equivalents Cash And Cash Equivalents Policy [Text Block] Short term investment. Short-Term Investments Short Term Investment Policy [Text Block] Concentrations of Credit Risk Concentration Risk Credit Risk Accounts Receivable Receivables Policy [Text Block] Inventories Inventory Policy [Text Block] Property and Equipment Property Plant And Equipment Policy [Text Block] In-Process Research and Development and Long-lived Assets Impairment Or Disposal Of Long Lived Assets Policy [Text Block] Goodwill Goodwill And Intangible Assets Goodwill Policy Contingent Consideration Business Combinations Policy Fair Value of Financial Instruments Fair Value Measurement Policy Policy [Text Block] Sales Rebates and other Discounts Revenue Recognition Revenue Reductions Debt Issuance Costs Debt Policy [Text Block] Revenue Recognition Revenue Recognition Policy [Text Block] Collaborations Collaborative Arrangement Accounting Policy Product Sales Revenue Recognition Sales Of Goods