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Income Taxes - Schedule of Deferred Income Tax Assets and Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Deferred tax assets/(liabilities):    
Net operating loss carryforwards $ 19,857 $ 12,294
Accruals 384
Intangible assets 365 242
Unrealized gain 18 81
Fixed assets (12) (20)
Research and development credit 2,385 856
Research and development credit Fin 48 (319) (139)
Valuation Allowance (23,498) (13,341)
Stock Compensation 820 27
Net deferred tax assets $ 0 $ 0