SELECTED QUARTERLY FINANCIAL INFORMATION (UNAUDITED) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	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
Sales	$ 86,960	$ 76,805	$ 82,356	$ 69,128	$ 93,008	$ 68,924	$ 78,851	$ 70,850	$ 315,249	$ 311,633	$ 329,459
Gross Profit	26,927	21,759	23,464	18,248	27,020	18,677	21,961	19,220	90,398	86,878	93,239
Net (loss) income from continuing operations					4,542	(7,578)	1,349	(671)	2,610	(2,358)	4,395
Gain from disposal of discontinued operation, net of tax					0	0	0	218	0	218	4,890
Income from discontinued operations, net of tax									0	0	642
Net income (loss)	$ 2,759	$ (327)	$ 1,586	$ (1,408)	$ 4,542	$ (7,578)	$ 1,349	$ (453)	$ 2,610	$ (2,140)	$ 9,927
Continuing operations (in dollars per share)					$ 0.36	$ (0.60)	$ 0.11	$ (0.05)	$ 0.20	$ (0.19)	$ 0.37
Disposal of discontinued operation (in dollars per share)					0.00	0.00	0.00	0.01	0.00	0.02	0.41
Discontinued operations (in dollars per share)									0.00	0.00	0.06
Basic (loss) earnings per share (in dollars per share)	$ 0.22	$ (0.03)	$ 0.12	$ (0.11)	0.36	(0.60)	0.11	(0.04)	0.20	(0.17)	0.84
Continuing operations (in dollars per share)					0.35	(0.60)	0.11	(0.05)	0.20	(0.19)	0.37
Disposal of discontinued operation (in dollars per share)					0.00	0.00	0.00	0.01	0.00	0.02	0.41
Discontinued operations (in dollars per share)									0.00	0.00	0.05
Diluted (loss) earnings per share (in dollars per share)	$ 0.21	$ (0.03)	$ 0.12	$ (0.11)	$ 0.35	$ (0.60)	$ 0.11	$ (0.04)	$ 0.20	$ (0.17)	$ 0.83
Denominator for basic (loss) earnings per share - weighted average shares (in shares)	12,793	12,793	12,776	12,742	12,716	12,715	12,715	12,499	12,776	12,661	11,801
Denominator for diluted (loss) earnings per share - adjusted weighted average shares (in shares)	12,886	12,793	12,857	12,742	12,832	12,715	12,820	12,499	12,872	12,661	11,891