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Income Taxes (Tables)
12 Months Ended
Dec. 31, 2023
Income Tax Disclosure [Abstract]  
Schedule of Components of Income Tax Expense (Benefit)
The components of the provision for income taxes are as follows:
Expense classification:Year Ended December 31,
20232022
Current
Federal
$245 $— 
State
— — 
Total
245 — 
Deferred
Federal— — 
State— — 
Total— — 
Provision for Income Tax
$245 $— 
Schedule of Deferred Tax Assets and Liabilities
The tax effect of temporary differences between the tax bases of assets and liabilities and their financial reporting amounts that give rise to the deferred tax assets and deferred tax liabilities as of December 31, 2023 and 2022 are as follows:
 December 31,
 20232022
Deferred tax assets:  
Accounts receivable$$177 
Inventory345 449 
Accrued expenses73 1,063 
NOL carryforwards27,120 32,197 
Interest limitation imposed by the TJCA9,880 10,667 
Stock Compensation6,529 5,813 
Deferred Revenue
7,662 2,326 
Royalty Monetization
16,750 17,139 
Property and equipment2,756 2,576 
Orphan Drug and R&D Tax Credits4,805 5,625 
Accrued debt fees— 697 
Intangible Assets
154 1,731 
Section 174 R&D Capitalization5,039 3,770 
Royalty Obligations
3,520 — 
Other
58 82 
84,695 84,312 
Deferred tax liabilities:
481(a) adjustment(193)— 
Prepaid expenses(449)(524)
(642)(524)
Valuation Allowance(84,053)(83,788)
Net deferred tax asset/(liability)$— $— 
Schedule of Income Tax Benefit Reconciliation
A reconciliation of income tax benefit and the amount computed by applying the statutory federal income tax rates of 21% to loss before taxes for the year ended December 31, 2023 and 2022, respectively, as follows:
 Year Ended December 31,
 20232022
Income taxes at statutory rate21.00 %21.00 %
Increase (decrease) resulting from:
State income tax4.00 4.23 
Permanent differences(0.43)(0.20)
Tax credits
— 0.20 
Valuation allowance(26.53)(20.69)
Return to provision(3.28)0.11 
State rate change(1.78)(4.67)
FDII Deductions
3.80 — 
Effective tax rate(3.22)%(0.02)%