Consolidated Statements of Operations - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Consolidated Statements of Operations
Revenues	$ 162,059	$ 166,525
Cost of sales	144,894	173,890
Gross profit (loss)	17,165	(7,365)
Operating expenses:
Selling, general and administrative	30,018	32,270
Amortization	2,931	2,973
Total operating expenses	32,949	35,243
Operating income (loss)	(15,784)	(42,608)
Other expense:
Interest expense	(18,911)	(14,755)
Other income	9,411
Total other expense	(9,500)	(14,755)
Loss before income taxes	(25,284)	(57,363)
Income tax expense (benefit)	656	(1,704)
Net income (loss)	$ (25,940)	$ (55,659)
Net income (loss) per common share - Basic	$ (0.61)	$ (1.31)
Net income (loss) per common share - Diluted	$ (0.61)	$ (1.31)
Weighted average number of shares outstanding - Basic	42,613,478	42,484,972
Weighted average number of shares outstanding - Diluted	42,613,478	42,484,972