Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Current Assets
Cash and cash equivalents	$ 747	$ 5,641
Receivables (less allowance for doubtful accounts: December 31, 2015 - $24; December 31, 2014 - $12)	30,670	32,672
Inventory	58,701	34,441
Prepaid expenses	1,062	1,179
Deferred income taxes	0	7,924
Refundable income taxes	0	388
Total current assets	91,180	82,245
Property and equipment, net of accumulated depreciation and amortization	83,554	63,881
Equity method investments	18,563	12,373
Other assets	1,013	1,716
Total assets	194,310	160,215
Current Liabilities
Current maturities of long-term debt	3,345	2,613
Accounts payable	20,940	16,076
Accounts payable to affiliate, net	2,291	3,333
Accrued expenses	10,400	8,010
Income taxes payable	685	0
Other current liabilities	0	716
Total current liabilities	37,661	30,748
Long-term debt, less current maturities	7,579	7,286
Revolving credit facility	22,536	0
Deferred credits	3,402	4,099
Accrued retirement health and life insurance benefits	4,136	4,420
Other non current liabilities	79	0
Deferred income taxes	2,757	9,297
Total liabilities	$ 78,150	$ 55,850
Commitments and Contingencies – See Notes 4 and 7
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, 2015 and 2014; 16,681,576 and 17,674,559 shares outstanding at December 31, 2015 and 2014, respectively	6,715	6,715
Additional paid-in capital	11,356	9,904
Retained earnings	114,558	89,454
Accumulated other comprehensive loss	(500)	(732)
Treasury stock, at cost, 1,434,389 and 441,406 shares at December 31, 2015 and 2014, respectively	(15,973)	(980)
Total stockholders’ equity	116,160	104,365
Total liabilities and stockholders’ equity	$ 194,310	$ 160,215