Significant Components of Provision for Income Taxes (Detail) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017
Current:
Federal		$ (375)
State	$ (34)	(99)
Foreign	42	581
Total current	8	107
Deferred	884	(2,134)
Income taxes	$ 892	$ (2,027)

Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

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Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations.

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