CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Revenues	$ 161,707	$ 210,745
Cost of sales (exclusive of depreciation and amortization shown below)	165,953	201,165
Depreciation and amortization	29,191	32,269
Gross loss	(33,437)	(22,689)
Selling, general and administrative expenses (exclusive of depreciation and amortization shown below)	39,181	39,227
Depreciation and amortization	1,516	2,336
Other operating expense (income)	224,896	(332)
Operating loss	(299,030)	(66,575)
Other expense:
Interest expense, net	(7,848)	(8,503)
Other income, net	463	537
Nonoperating income (expense), total	(7,385)	(7,966)
Loss before income taxes	(306,415)	(74,541)
Income tax (benefit) expense	(2,214)	892
Net loss	$ (304,201)	$ (75,433)
Loss per share:
Basic	$ (10.73)	$ (2.79)
Diluted	$ (10.73)	$ (2.79)
Millen, Georgia Facility
Loss on sale of business	$ 0	$ 2,305
Russian Proppant
Loss on sale of business	$ 0	$ 350