NET INCOME (LOSS) PER SHARE (Details) - shares	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Reconciliation from basic to diluted weighted average common shares outstanding
Basic weighted-average shares of common stock outstanding	16,157,000	16,092,000
Stock options (in shares)	89,000	106,000
Diluted weighted-average shares of common stock outstanding	16,246,000	16,198,000
Anti-dilutive potential shares excluded from the computation of diluted weighted average shares outstanding (in shares)	5,000	5,000