Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Income Statement [Abstract]
Net sales	$ 34,976	$ 39,467
Cost of sales	27,901	31,167
Gross profit	7,075	8,300
Selling, general, and administrative expenses	5,865	7,273
Restructuring expenses	920	91
Operating income	290	936
Other income (expense):
Other, net	(24)	18
Interest expense	(1,666)	(1,100)
Other expense, net	(1,690)	(1,082)
(Loss) before income tax (benefit) expense	(1,400)	(146)
Income tax (benefit) expense	(263)	43
Net loss	$ (1,137)	$ (189)
Earnings Per Share [Abstract]
Basic (in dollars per share)	$ (0.12)	$ (0.02)
Diluted (in dollars per share)	(0.12)	(0.02)
Dividends declared per share (in dollars per share)	$ 0	$ 0.05