EARNINGS PER SHARE - Summary (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Earnings Per Share [Abstract]
Net earnings	$ 838	$ 1,185	$ 1,772	$ 1,643
Weighted average common shares outstanding (in shares)	33,655	33,418	33,594	33,378
Incremental common shares issuable under stock options and awards	549	335	505	329
Weighted average common shares outstanding assuming dilution (in shares)	34,204	33,753	34,099	33,707
Earnings per share
Basic (in dollars per share)	$ 0.02	$ 0.04	$ 0.05	$ 0.05
Diluted (in dollars per share)	$ 0.02	$ 0.04	$ 0.05	$ 0.05