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INCOME TAXES - Schedule of Reconciliation of Effective Income Tax Amount (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Income tax benefit using U.S. federal statutory rate	$ (1,468)	$ (1,352)
State income tax expense	211	35
Foreign income tax expense	205	210
Foreign tax rate difference	226	29
Non-deductible expenses	(31)	(26)
Change in valuation allowance	1,458	1,383
Other	207	(23)
Total income tax expense	$ 808	$ 256

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations, attributable to increase (decrease) in the income tax rates.

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