SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Consolidated Statement of Cash Flows (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Operating activities	$ (773)	$ (6,401)	$ (3,114)
Investing activities	(1,647)	2,129	(1,548)
Financing activities	(185)	(113)	(185)
Effect of exchange rate changes on cash	(45)	(52)	(25)
Net (decrease) increase in cash and cash equivalents	$ (2,650)	(4,437)	(4,872)
Scenario, Previously Reported [Member]
Operating activities		(6,259)	(3,134)
Investing activities		1,987	(1,528)
Financing activities		(113)	(185)
Effect of exchange rate changes on cash		(52)	(25)
Net (decrease) increase in cash and cash equivalents		(4,437)	(4,872)
Restatement Adjustment [Member]
Operating activities		142	(20)
Investing activities		(142)	20
Financing activities		0	0
Effect of exchange rate changes on cash		0	0
Net (decrease) increase in cash and cash equivalents		$ 0	$ 0