CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 34,292	$ 72,752
Restricted cash		1,725
Trade accounts and other receivables, net	13,556	35,693
Inventories:
Finished goods	31,389	41,422
Raw materials and supplies	16,288	22,592
Total inventories	47,677	64,014
Prepaid expenses and other current assets	3,418	4,754
Income tax receivable	3,120	2,319
Total current assets	102,063	181,257
Restricted cash	9,729	8,840
Property, plant and equipment:
Land and land improvements	11,517	39,584
Land-use and mineral rights	18,592	19,696
Buildings	23,012	75,815
Machinery and equipment	45,457	432,906
Construction in progress	43	29,129
Total property, plant and equipment	98,621	597,130
Less accumulated depreciation and amortization	35,209	323,511
Net property, plant and equipment	63,412	273,619
Goodwill		3,500
Operating lease right-of-use assets	9,185
Intangible and other assets, net	7,125	7,150
Total assets	191,514	474,366
Current liabilities:
Accounts payable	7,592	12,174
Accrued payroll and benefits	2,805	6,950
Accrued freight	601	2,434
Accrued utilities	474	1,012
Other accrued expenses	18,611	14,020
Notes payable, related parties		27,040
Long-term debt, current portion, net	62,501	15,733
Operating lease liabilities	54,668
Other current liabilities	4,955	1,192
Total current liabilities	152,207	80,555
Deferred income taxes		1,114
Long-term debt, net		45,650
Other long-term liabilities		10,764
Shareholders’ equity:
Preferred stock, par value $0.01 per share, 5,000 shares authorized, none outstanding
Common stock, par value $0.01 per share, 80,000,000 shares authorized; 29,359,193 and 27,710,861 shares issued and outstanding at December 31, 2019 and 2018, respectively	294	277
Additional paid-in capital	139,566	132,080
Retained earnings (accumulated deficit)	(100,553)	203,926
Total shareholders’ equity	39,307	336,283
Total liabilities and shareholders’ equity	$ 191,514	$ 474,366