Condensed Consolidated Statements of Stockholders' Equity (Deficiency) (Unaudited) - USD ($) shares in Thousands, $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Total
Balance (in shares) at Dec. 31, 2014	18,785
Balance at Dec. 31, 2014	$ 77,105	$ 9,246	$ (75,959)	$ (25,574)	$ (15,182)
Share-based compensation (in shares)	104
Share-based compensation	$ 645	90			735
Vested restricted stock issued (in shares)	21
Vested restricted stock issued	$ 143	(90)			53
Shares cancelled to pay tax liability (in shares)	(49)
Shares cancelled to pay tax liability	$ (302)				(302)
Pension, net of income taxes of $0				632	632
Net income			7,737		7,737
Balance (in shares) at Sep. 30, 2015	18,861
Balance at Sep. 30, 2015	$ 77,591	9,246	(68,222)	(24,942)	(6,327)
Balance (in shares) at Dec. 31, 2015	18,868
Balance at Dec. 31, 2015	$ 77,628	9,246	(69,146)	(28,667)	(10,939)
Share-based compensation (in shares)	99
Share-based compensation	$ 504	186			690
Vested restricted stock issued (in shares)	29
Vested restricted stock issued	$ 186	(186)
Shares cancelled to pay tax liability (in shares)	(55)
Shares cancelled to pay tax liability	$ (293)				(293)
Pension, net of income taxes of $0				1,481	1,481
Net income			14,397		14,397
Balance (in shares) at Sep. 30, 2016	18,941
Balance at Sep. 30, 2016	$ 78,025	$ 9,246	$ (54,749)	$ (27,186)	$ 5,336