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Income Taxes - Summary of Deferred Tax Assets (Detail) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Deferred tax assets:
Capital losses	$ 16,601	$ 16,596
Accrued expenses	4,993	3,507
NOLs - Foreign	1,934	2,167
Stock-based compensation	1,359	1,922
Goodwill and intangible assets	1,276	1,466
Unrealized losses	614
Interest carryforwards	437	2,235
NOLs – U.S.	382	510
Outside basis difference	122	122
Operating lease liabilities	0	4,953
Other	376	111
Deferred tax assets	28,094	33,589
Deferred tax liabilities:
Fixed assets and prepaid assets	257	1,261
Foreign currency translation adjustment	181	293
Unremitted earnings – International subsidiaries	118	138
Allocated equity component of Convertible Notes	0	1,022
Right of use assets – operating leases	0	3,927
Deferred tax liabilities	556	6,641
Total deferred tax assets less deferred tax liabilities	27,538	26,948
Less: Valuation allowance	(18,657)	(18,885)
Deferred tax assets, net	$ 8,881	$ 8,063

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