Consolidated Statements of Operations - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Consolidated Statements of Operations
Revenues	$ 147,605	$ 162,059
Cost of sales	112,195	144,894
Gross profit	35,410	17,165
Operating expenses:
Selling, general and administrative	26,644	30,018
Amortization	2,862	2,931
Total operating expenses	29,506	32,949
Operating income (loss)	5,904	(15,784)
Other expense:
Interest expense	(12,330)	(18,911)
Other income	1,033	9,411
Total other expense	(11,297)	(9,500)
Loss before income taxes	(5,393)	(25,284)
Income tax (benefit) expense	(185)	656
Net loss	$ (5,208)	$ (25,940)
Net loss per common share - Basic	$ (0.12)	$ (0.61)
Net loss per common share - Diluted	$ (0.12)	$ (0.61)
Weighted average number of shares outstanding - Basic	42,710,381	42,613,478
Weighted average number of shares outstanding - Diluted	42,710,381	42,613,478