Income Taxes - Components of federal and state deferred taxes (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Deferred tax assets:
Net operating loss carryover	$ 18,649	$ 0
General business and other tax credits	1,180	0
Intangible assets	2,376	0
Other non-current deferred tax assets	603	0
Subtotal	22,808	0
Valuation allowance	(21,530)	0
Total	1,278	0
Deferred tax liabilities:
Fixed assets	(1,278)	0
Total	(1,278)	0
Net deferred tax asset	$ 0	$ 0

Amount of deferred tax liability attributable to taxable temporary differences.

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