Income Taxes - Summary of Deferred Tax Assets (Detail) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Deferred tax assets:
Capital losses	$ 16,596	$ 16,596
Operating lease liabilities	4,851	4,953
Accrued expenses	1,363	3,507
Interest carryforwards	2,184	2,235
NOLs - Foreign	2,084	2,167
Stock-based compensation	1,195	1,922
Goodwill and intangible assets	1,418	1,466
NOLs – U.S.	382	510
Outside basis difference	122	122
Other	263	111
Deferred tax assets	30,458	33,589
Deferred tax liabilities:
Right of use assets – operating leases	3,848	3,927
Fixed assets and prepaid assets	1,234	1,261
Foreign currency translation adjustment	262	293
Unremitted earnings – International subsidiaries	97	138
Allocated equity component of convertible note		1,022
Deferred tax liabilities	5,441	6,641
Total deferred tax assets less deferred tax liabilities	25,017	26,948
Less: valuation allowance	(18,802)	(18,885)
Deferred tax assets, net	$ 6,215	$ 8,063