STOCKHOLDERS' EQUITY (Details) $ / shares in Units, $ in Thousands		3 Months Ended		9 Months Ended
	Jan. 30, 2015	Sep. 30, 2015 USD ($) $ / shares shares	Sep. 30, 2014 USD ($)	Sep. 30, 2015 USD ($) $ / shares shares	Sep. 30, 2014 USD ($)	Dec. 31, 2014 $ / shares shares
Increase (Decrease) in Stockholders' Equity
Balance at beginning of period				$ 57,723
Stock-based compensation				496
Employee stock purchase plan				2
Common stock issuance to Zhenfa, net				4
Special dividend				(20)
Net loss		$ (1,715)	$ (3,909)	(7,634)	$ (10,191)
Foreign currency translation, net of tax		(190)	$ (1,163)	(1,253)	$ (1,375)
Balance at end of period		$ 49,310		$ 49,310
Preferred stock, authorized (in shares) | shares		20,000,000		20,000,000		20,000,000
Preferred stock, par value (in dollars per share) | $ / shares		$ 0.01		$ 0.01		$ 0.01
Preferred stock, shares issued | shares		0		0		0
Preferred stock, shares outstanding | shares		0		0		0
Reverse split	0.33
Common stock, authorized (in shares) | shares		200,000,000		200,000,000		200,000,000
Common stock, par value (in dollars per share) | $ / shares		$ 0.01		$ 0.01		$ 0.01
Common stock, issued (in shares) | shares		18,260,347		18,260,347		18,074,291
Common stock, outstanding (in shares) | shares		18,259,107		18,259,107		18,073,051
Number of voting rights entitled per share of common stock owned		1
Restricted common stock
Increase (Decrease) in Stockholders' Equity
Unvested common stock (in shares) | shares		128,701		128,701		7,379
Common stock, excluding unvested restricted stock
Increase (Decrease) in Stockholders' Equity
Balance at beginning of period (in shares) | shares				18,065,672
Stock-based compensation (in shares) | shares				63,439
Employee stock purchase plan (in shares) | shares				1,574
Fractional shares retired resulting from split | shares				(279)
Balance at end of period (in shares) | shares		18,130,406		18,130,406
Common Stock
Increase (Decrease) in Stockholders' Equity
Balance at beginning of period				$ 181
Balance at end of period		$ 181		181
Treasury Stock
Increase (Decrease) in Stockholders' Equity
Balance at beginning of period				$ (57)
Balance at beginning of period (in shares) | shares				1,240
Balance at end of period		$ (57)		$ (57)
Balance at end of period (in shares) | shares		1,240		1,240
Additional Paid-In Capital
Increase (Decrease) in Stockholders' Equity
Balance at beginning of period				$ 230,276
Stock-based compensation				496
Employee stock purchase plan				2
Common stock issuance to Zhenfa, net				4
Balance at end of period		$ 230,770		230,770
Accumulated Deficit
Increase (Decrease) in Stockholders' Equity
Balance at beginning of period				(168,618)
Special dividend				(20)
Net loss				(7,634)
Balance at end of period		(176,272)		(176,272)
Accumulated Other Comprehensive Loss
Increase (Decrease) in Stockholders' Equity
Balance at beginning of period				(4,059)
Foreign currency translation, net of tax				(1,253)
Balance at end of period		$ (5,312)		$ (5,312)