CONSOLIDATED STATEMENT OF EQUITY (USD $) In Thousands, except Share data, unless otherwise specified		Total	Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Loss	Accumulated Deficit	Total Stockholders’ Equity
Beginning Balance at Dec. 31, 2012			$ 259	$ 164,071	$ (97)	$ (19,726)	$ 144,507
Beginning Balance (shares) at Dec. 31, 2012		25,853,425	25,853,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock pursuant to the employee stock purchase plan (shares)			20,000
Issuance of common stock pursuant to the employee stock purchase plan			0	144	0	0	144
Issuance of restricted common stock, net of cancellations (shares)			1,066,000
Issuance of restricted common stock, net of cancellations			11	0	0	0	11
Foreign currency translation adjustment		(9)	0	0	(9)	0	(9)
Surrender of restricted common stock for income tax purposes (shares)	[1]		(174,000)
Surrender of restricted common stock for income tax purposes	[1]		(2)	(1,628)	0	0	(1,629)
Issuance of common stock in connection with the exercise of vested stock options (shares)		9,000	9,000
Issuance of common stock in connection with the exercise of vested stock options			0	27	0	0	27
Stock-based compensation			0	1,271	0	0	1,271
Net income		1,673	0	0	0	1,673	1,673
Ending Balance at Mar. 31, 2013	[1]		$ 268	$ 163,885	$ (106)	$ (18,053)	$ 145,994
Ending Balance (shares) at Mar. 31, 2013	[1]	26,774,156

[1] Amounts may not add due to rounding