Income Taxes (Tables)

12 Months Ended

Dec. 31, 2021

Income Tax Disclosure [Abstract]

Reconciliation of Income Tax Expense

The provision for income taxes differs from the amount computed at federal statutory rates as follows for the year ended December 31:

	2021		2020
Federal income tax at statutory rates	$	(15,149)	$	(2,214)
State income tax at statutory rates	(2,192)		(296)
Change in valuation allowance	14,864		1,980
Warrant (benefit) expense(1)	(2,067)		410
Convertible notes conversion	5,473		—
Transaction costs	(941)		—
Other	43		140
Total income tax expense	$	31	$	20

(1) Represents a permanent item attributed to preferred and common stock mark-to-market adjustments.

Schedule of Deferred Tax Assets and Liabilities

Significant components of the Company’s deferred income tax assets (liabilities) are as follows as of December 31:

	2021		2020
Deferred tax assets
Accrued liabilities	$	987	$	387
Stock-based compensation	740		196
163(j) Interest expense limitation	780		354
Net operating loss carryforwards	27,339		14,718
Other	836		212
Total deferred income tax assets	30,682		15,867
Valuation allowance	(30,682)		(15,818)
Deferred tax liabilities	—		(49)
Net deferred tax asset (liability)	$	—	$	—