XML 67 R50.htm IDEA: XBRL DOCUMENT v3.19.1
Income Taxes (Details 1) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Deferred Tax Assets and Liabilities    
Deferred Tax Assets, Operating Loss Carryforwards $ 206,789 $ 183,839
Deferred Tax Assets, Tax Credit Carryforwards, Research 47,087 46,574
Deferred Tax Assets, Tax Credit Carryforwards, Orphan Drug 24,524 24,524
Deferred Tax Assets, In Process Research and Development 71,047 68,603
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost 4,641 3,923
Deferred Tax Assets, Deferred Income 5,458 13,523
Deferred Tax Assets, Section 163j_LXRX   0
Deferred Tax Assets, Other 6,044 5,656
Deferred Tax Assets, Gross 369,215 346,642
Deferred Tax Liability Related to Acquisition of Symphony Icon (10,525) (10,896)
Deferred Tax Liabilities, Other (2) (1)
Deferred Tax Liabilities, Gross (10,527) (10,897)
Deferred Tax Assets, Valuation Allowance (364,702) (341,759)
Deferred Tax Liabilities, Net $ (6,014) $ (6,014)