Income Taxes, Components of Deferred Tax Assets (Liabilities) (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Deferred tax assets [Abstract]
Reserves and accruals	$ 147	$ 58
Research and development credits and other credits	430	92
Net operating loss carry forward	11,988	9,519
Stock based compensation	5,018	6,287
Other	970	0
Total deferred tax assets	18,553	15,956
Valuation allowance	(18,553)	0
Deferred tax assets after valuation allowance	0	15,956
Total deferred tax liability - depreciation and amortization	0	(6)
Net deferred tax assets	$ 0	$ 15,950