Income Taxes (Tables)

12 Months Ended

Dec. 31, 2021

Income Tax Disclosure [Abstract]

Effective Income Tax Rate Reconciliation

The difference between income taxes expected at the U.S. federal statutory income tax rate of 21% and the reported income tax expense (benefit) are summarized as follows:

	Year Ended December 31,
	2021			2020
Income tax (benefit) at statutory rate	$	(11,330)		$	(4,661)
Valuation allowance	11,500			4,408
State income tax (benefit), net of federal benefit	(1,978)			(330)
Business tax credit net of reserves	(190)			—
Non-deductible expenses	2,210			585
Business combination	(437)			—
Foreign income taxes at different rate	(201)			—
Income tax (benefit) expense	$	(426)		$	2
Effective tax rate	0.79		%	(0.01)		%

Provision Expense for Income Taxes

The provision expense for income taxes consists of the following:

	Year Ended December 31,
	2021		2020
Current:
Federal	$	—	$	—
State	11		2
Foreign	—		—
Total current	11		2
Deferred:
Federal	(416)		—
State	(21)		—
Foreign	—		—
Total deferred	(437)		—
Total income tax (benefit) expense	$	(426)	$	2

Components of Net Deferred Income Taxes

The components of net deferred income taxes consist of the following:

	December 31,
	2021		2020
Deferred tax assets:
Net operating loss	$	40,922	$	30,705
Unrealized loss on digital assets	2,015		—
Tax credits	1,416		1,193
Reserves and accruals	732		3,739
Leases - lease liability	376		—
Amortization of acquired intangibles	232		—
Other deferred tax assets	1,748		—
Gross deferred tax assets	47,441		35,637
Less valuation allowance	(46,163)		(35,100)
Total deferred tax assets	1,278		537
Deferred tax liabilities:
Amortization of acquired intangibles	—		(537)
Leases - right of use asset	(306)		—
Other deferred tax liabilities	(972)		—
Total deferred tax liabilities	(1,278)		(537)
Net deferred tax liabilities	$	—	$	—

Reconciliation of Unrecognized Tax Benefits

The following is a tabular reconciliation of the total amounts of unrecognized tax benefits:

	December 31,
	2021		2020
Unrecognized tax benefits, beginning of period	$	1,314	$	1,531
Tax positions taken in prior periods:
Gross increases	—		69
Gross decreases	—		(297)
Tax positions taken in current period:
Gross increases	231		11
Settlements	—		—
Lapse of statute of limitations	—		—
Unrecognized tax benefits, end of period	$	1,545	$	1,314