WEIGHTED AVERAGE COMMON SHARES (Details) - shares	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Shares used to compute basic and diluted loss income per share [Abstract]
Basic shares outstanding (in shares)	23,247,000	23,230,000	23,132,000	23,056,000	22,888,000	22,843,000	22,800,000	22,723,000	23,166,977	22,814,105	22,513,391
Dilutive effect of stock options (in shares)									0	0	0
Diluted shares outstanding (in shares)	23,347,000	23,270,000	23,132,000	23,056,000	23,004,000	22,843,000	22,800,000	22,723,000	23,166,977	22,814,105	22,513,391
Stock Option 2 [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive shares excluded from computation of income (loss) per share (in shares)									60,161	119,722	222,707
Stock Option 1 [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive shares excluded from computation of income (loss) per share (in shares)									391,935	795,985	657,083
Performance Shares [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive shares excluded from computation of income (loss) per share (in shares)									152,837	360,402	441,552