Income Taxes - Components of Deferred Tax Assets and Liabilities (Detail) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Deferred income tax assets
Net operating loss carry forwards	$ 47,204	$ 42,127
Credit carry forwards	3,027	3,027
Fixed assets	84	116
Intangibles	6,259	3,346
Equity-based compensation	208	343
Nondeductible accruals	532	365
Various reserves		23
Deferred rent	33	94
Other	7	2
Valuation allowance	(57,346)	(49,405)
Total deferred income taxes - net	8	38
Deferred income tax liabilities
Foreign intangibles		(1)
Unrealized translation gain/loss	(45)	3
Prepaid expenses	(80)	(99)
Total deferred income liabilities	(125)	(97)
Net deferred income tax (liabilities)	$ (117)	$ (59)