STOCKHOLDERS' EQUITY (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Increase (Decrease) in Stockholders' Equity
Balance at beginning of period	$ 57,723
Stock-based compensation	153
Employee stock purchase plan	1
Special dividend	(20)
Net loss	(2,606)	(4,642)
Foreign currency translation, net of tax	(1,521)	(146)
Balance at end of period	53,730
Preferred stock, authorized (in shares)	20,000,000		20,000,000
Preferred stock, par value (in dollars per share)	$ 0.01		$ 0.01
Preferred stock, shares issued	0		0
Preferred stock, shares outstanding	0		0
Common stock, authorized (in shares)	200,000,000		200,000,000
Common stock, par value (in dollars per share)	$ 0.01		$ 0.01
Common stock, issued (in shares)	18,082,014		18,074,291
Common stock, outstanding (in shares)	18,080,774		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)	7,379		7,379
Common stock, excluding unvested restricted stock
Increase (Decrease) in Stockholders' Equity
Balance at beginning of period (in shares)	18,065,672
Stock-based compensation (in shares)	7,561
Employee stock purchase plan (in shares)	417
Fractional shares retired resulting from split	(255)
Balance at end of period (in shares)	18,073,395
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)			1,240
Balance at end of period	(57)		(57)
Balance at end of period (in shares)	1,240		1,240
Additional Paid-In Capital
Increase (Decrease) in Stockholders' Equity
Balance at beginning of period	230,276
Stock-based compensation	153
Employee stock purchase plan	1
Balance at end of period	230,430
Accumulated Deficit
Increase (Decrease) in Stockholders' Equity
Balance at beginning of period	(168,618)
Special dividend	(20)
Net loss	(2,606)
Balance at end of period	(171,244)
Accumulated Other Comprehensive Income (Loss)
Increase (Decrease) in Stockholders' Equity
Balance at beginning of period	(4,059)
Foreign currency translation, net of tax	(1,521)
Balance at end of period	$ (5,580)