Income Taxes - Components of Deferred Tax Assets and Liabilities (Detail) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Deferred income tax assets
Net operating loss carry forwards	$ 41,650	$ 41,356
Credit carry forwards	3,159	3,292
Fixed assets	373	493
Intangibles	4,679	6,417
Equity-based compensation	308	439
Nondeductible accruals	319	565
Various reserves	209	55
Other	2	107
Valuation allowance	(50,397)	(52,414)
Total deferred income taxes - net	302	310
Deferred income tax liabilities
Foreign intangibles	(27)	(74)
Unrealized translation gain	(120)	(4)
Prepaid expenses	(61)	(41)
Total deferred income liabilities	(208)	(119)
Net deferred income tax assets	$ 94	$ 191