Consolidated Statements Of Comprehensive Income (Loss) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Consolidated Statements of Comprehensive Income (Loss) [Abstract]
Net income (loss)	$ (4,744)	$ 2,117	$ 2,248
Interest rate swap, net of taxes of $0	22	(20)	3
Pension and postretirement obligations, net of taxes of $0	20	(195)
Foreign currency translation adjustment, net of taxes of $0	(335)	(104)	(74)
Comprehensive income (loss)	$ (5,037)	$ 1,798	$ 2,177