CONDENSED CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY (Unaudited) - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Treasury Stock [Member]	Retained Earnings (Accumulated Deficit) [Member]	Accumulated Other Comprehensive Loss [Member]	Total
BALANCE at Dec. 31, 2014	$ 141,377	$ 26,350	$ (82,860)	$ 5,610	$ (7,467)	$ 83,010
BALANCE (in shares) at Dec. 31, 2014	29,933,086
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	$ 0	0	0	(6,883)	0	(6,883)
Employee pension plan adjustments, net of taxes	0	0	0	0	231	231
Stock-based compensation expense
Restricted stock	$ 0	299	0	0	0	299
Restricted stock (in shares)	(168,432)
Stock options	$ 0	33	0	0	0	33
Net share settlement for equity-based compensation	$ 0	(21)	0	0	0	(21)
Net share settlement for equity-based compensation (in shares)	(9,208)
BALANCE at Mar. 31, 2015	$ 141,377	26,661	(82,860)	(1,273)	(7,236)	76,669
BALANCE (in shares) at Mar. 31, 2015	29,755,446
BALANCE at Dec. 31, 2015	$ 141,377	27,292	(82,860)	2,260	(7,072)	$ 80,997
BALANCE (in shares) at Dec. 31, 2015	29,727,555					29,727,555
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	$ 0	0	0	(6,068)	0	$ (6,068)
Employee pension plan adjustments, net of taxes	0	0	0	0	222	222
Stock-based compensation expense
Restricted stock	$ 0	373	0	0	0	373
Restricted stock (in shares)	(26,200)
Net share settlement for equity-based compensation	$ 0	(101)	0	0	0	(101)
Net share settlement for equity-based compensation (in shares)	(35,278)
BALANCE at Mar. 31, 2016	$ 141,377	$ 27,564	$ (82,860)	$ (3,808)	$ (6,850)	$ 75,423
BALANCE (in shares) at Mar. 31, 2016	29,666,077					29,666,077