EARNINGS PER SHARE (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
EARNINGS PER SHARE
Net loss	$ (5,058)	$ (6,521)	$ (967)	$ (1,165)	$ 436	$ (434)	$ 189	$ (526)	$ (13,711)	$ (335)	$ (31,720)
Basic weighted-average number of common shares outstanding									16,442,160	16,439,508	16,354,245
Diluted weighted-average number of common shares outstanding									16,442,160	16,439,508	16,354,245
Loss per common share:
Earnings (Loss) per share basic (in dollars per share)	$ (0.30)	$ (0.40)	$ (0.06)	$ (0.07)	$ 0.03	$ (0.03)	$ 0.01	$ (0.03)	$ (0.83)	$ (0.02)	$ (1.94)
Loss per common share: Diluted (in dollars per share)	$ (0.30)	$ (0.40)	$ (0.06)	$ (0.07)	$ 0.03	$ (0.03)	$ 0.01	$ (0.03)	$ (0.83)	$ (0.02)	$ (1.94)
Antidilutive stock options									129,170	188,193	222,616