Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Current Assets
Cash and cash equivalents	$ 3,084	$ 1,569
Receivables (less allowance for doubtful accounts at December 31, 2017 and 2016 - $24)	34,347	26,085
Inventory	93,149	78,858
Prepaid expenses	2,182	1,684
Refundable income taxes	1,980	2,705
Total current assets	134,742	110,901
Property, plant, and equipment, net	103,051	92,791
Equity method investments	0	18,934
Other assets	2,535	2,710
Total assets	240,328	225,336
Current Liabilities
Current maturities of long-term debt	372	4,359
Accounts payable	30,037	20,342
Accounts payable to affiliate, net	0	3,349
Accrued expenses	11,171	8,945
Total current liabilities	41,580	36,995
Long-term debt, less current maturities	21,407	16,218
Revolving credit facility	2,775	15,424
Deferred credits	2,151	2,978
Accrued retirement, health, and life insurance benefits	3,133	3,604
Other non current liabilities	540	393
Deferred income taxes	12	3,432
Total liabilities	71,598	79,044
Commitments and Contingencies – Note 8
Capital stock
Preferred, 5% non-cumulative; $10 par value; authorized 1,000 shares; issued and outstanding 437 shares	4	4
Common stock
No par value; authorized 40,000,000 shares; issued 18,115,965 shares at December 31, 2017 and 2016; 16,797,420 and 16,658,765 shares outstanding at December 31, 2017 and 2016, respectively	6,715	6,715
Additional paid-in capital	13,912	14,279
Retained earnings	167,129	142,652
Accumulated other comprehensive loss	(311)	(373)
Treasury stock, at cost, 1,318,545 and 1,457,200 shares at December 31, 2017 and 2016, respectively	(18,719)	(16,985)
Total stockholders’ equity	168,730	146,292
Total liabilities and stockholders’ equity	$ 240,328	$ 225,336