Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Income Tax Disclosure [Abstract]
Net operating loss	$ 37,032	$ 35,989
Debt issue costs	922
Stock-based compensation expense	11,105	7,091
Lease liabilities	836
Research and development expenditures	6,193
Research and development tax credit carryforwards	1,719	428
Accrued expenses	311	897
Section 195 deferred start-up costs	15	16
Depreciation & amortization	221
Deferred tax assets	58,354	44,421
Operating lease right-of-use assets	(850)
Depreciation		(22)
Patent licenses		(36)
Deferred Tax Liabilities	(850)	(58)
Deferred tax assets, net of deferred tax liabilities	57,504	44,363
Less: valuation allowance	(57,504)	(44,363)
Deferred tax assets, net after valuation allowance