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Income Taxes (Tables)
12 Months Ended
Dec. 31, 2020
Income Tax Disclosure [Abstract]  
Schedule of loss before Income Taxes
For financial reporting purposes, loss before income taxes includes the following components:
Years Ended December 31,
(in thousands)202020192018
United States$(365,332)$(393,955)$(309,183)
Foreign91,078 38,045 (39,906)
Total$(274,254)$(355,910)$(349,089)
Schedule of Income Tax Expense (Benefit)
Following were the components of income tax expense (benefit) for the years ended December 31, 2020, 2019, and 2018:
(in thousands)202020192018
Current
Federal$— $— $— 
State— — 
Foreign4,163 2,877 (100)
Deferred
Federal(1,410)(984)— 
State(155)(1,415)— 
Foreign— — — 
Total$2,598 $478 $(94)
Schedule of Reconciliation of the Statutory Tax Rates and the Effective Tax Rates
A reconciliation of the statutory tax rates and the effective tax rates for the years ended December 31, 2020, 2019, and 2018 are as follows:
Years Ended
December 31,
202020192018
Statutory rate(21)%(21)%(21)%
State taxes, net of federal benefit— — (4)
Nondeductible IPR&D— — 
Contingent consideration— — 
Tax credits(7)(16)(10)
Impact of foreign operations
Nondeductible executive compensation— 
Nondeductible debt conversion— (1)— 
Other— (1)— 
Valuation allowance23 29 26 
Net%— %— %
Schedule of Significant Components of the Deferred Tax Assets and Liabilities The significant components of the deferred tax assets and liabilities are as follows:
Years Ended
December 31,
(in thousands)20202019
Deferred tax assets
Intellectual property$68,209 $46,521 
Amortization/depreciation489 2,329 
Research tax credit182,651 141,669 
Net operating loss carry forwards305,876 286,850 
Deferred reimbursements1,912 2,230 
Non-cash stock issue17,553 19,058 
Interest carry forward limitation5,655 2,224 
Lease liability9,235 6,983 
Other10,855 13,921 
Gross deferred tax assets602,435 521,785 
Deferred tax liabilities
Business acquisition(4,937)(5,051)
Royalty payable(68,209)(46,521)
Convertible notes(94)(653)
Advanced R&D payments(1,776)(2,611)
Right of use asset(3,420)(5,643)
Total net deferred tax assets523,999 461,306 
Less: valuation allowance(528,895)(466,357)
Net deferred tax liability$(4,896)$(5,051)