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Income Taxes (Tables)
12 Months Ended
Dec. 31, 2021
Income Tax Disclosure [Abstract]  
Schedule of Components of Current and Deferred Income Tax Expense The current and deferred expense is as follows:
Year Ended December 31,
20212020
Current provision:
Federal
$— $— 
State
27 52 
Total current provision
27 52 
Deferred (benefit) provision:
Federal
20 — 
State
(5)25 
Total deferred provision (benefit) 15 25 
Total provision (benefit) for income taxes$42 $77 
Schedule of Deferred Tax Assets and Liabilities
The components of deferred tax assets and liabilities were as follows:
As of December 31,
20212020
Deferred income tax assets:
Net operating losses$67,039 $60,083 
Stock compensation2,839 3,938 
Other deferred assets2,617 2,617 
Accrued compensation4,017 2,559 
Operating lease liabilities893 1,114 
Accrued legal settlement20,276 21,318 
Other, net216 21 
Valuation allowance(85,527)(78,313)
Total deferred income tax assets
12,370 13,337 
Deferred income tax liabilities:
Intangible amortization(11,528)(12,240)
Operating lease right-of-use assets(690)(873)
Fixed asset depreciation(192)(249)
Total deferred income tax liabilities
(12,410)(13,362)
Net deferred income taxes
$(40)$(25)
Schedule of Effective Income Tax A reconciliation of the difference between the provision (benefit) for income taxes and income taxes at the statutory U.S. federal income tax rate is as follows:
As of December 31,
20212020
Income tax at statutory rate$(9,832)$(34,217)
State income taxes, net of Federal benefit(1,872)(7,232)
Revaluation of contingent royalty obligation1,595 (513)
Meals and entertainment230 366 
Change in state tax rate129 (242)
Officers' compensation2,076 133 
Stock compensation(17)616 
Research and development tax credit— (147)
Promissory note - debt discount120 (145)
Other, net399 117 
Valuation allowance7,214 41,341 
Income tax provision (benefit)$42 $77 
Schedule of Unrecognized Tax Benefits
A reconciliation of the beginning and ending amount of unrecognized tax benefits is as follows:
As of December 31,
20212020
Beginning balance$2,924 $2,761 
Increases to current year tax positions— 163 
Ending balance$2,924 $2,924