Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Current Assets
Cash and cash equivalents	$ 126	$ 5,641
Receivables (less allowance for doubtful accounts: September 30, 2015 - $6; December 31, 2014 - $12)	31,659	32,672
Inventory	52,208	34,441
Prepaid expenses	2,239	1,179
Deferred income taxes	5,555	7,924
Refundable income taxes	707	388
Total current assets	92,494	82,245
Property and equipment	219,866	198,176
Less accumulated depreciation and amortization	(143,315)	(134,295)
Property and equipment, net	76,551	63,881
Equity method investments (Note 2)	18,427	12,373
Other assets	1,923	2,100
Total assets	189,395	160,599
Current Liabilities
Current maturities of long-term debt	2,400	2,613
Accounts payable	20,775	16,076
Accounts payable to affiliate, net	4,070	3,333
Accrued expenses	10,348	8,010
Other current liabilities	0	716
Total current liabilities	37,593	30,748
Long-term debt, less current maturities	6,512	7,670
Credit facility	19,901	0
Deferred credit	3,579	4,099
Accrued retirement health and life insurance benefits	4,193	4,420
Deferred income taxes	8,333	9,297
Total liabilities	$ 80,111	$ 56,234
Commitments and Contingencies (Note 4)
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 September 30, 2015 and December 31, 2014, and 16,675,816 and 17,674,599 shares outstanding at September 30, 2015 and December 31, 2014, respectively	6,715	6,715
Additional paid-in capital	11,013	9,904
Retained earnings	108,079	89,454
Accumulated other comprehensive loss, net of tax	(489)	(732)
Treasury stock, at cost
Shares of 1,440,149 at September 30, 2015 and 441,406 at December 31, 2014	(16,038)	(980)
Total stockholders’ equity	109,284	104,365
Total liabilities and stockholders’ equity	$ 189,395	$ 160,599