Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Current assets:
Cash	$ 142	$ 307
Accounts receivable (less allowance for doubtful accounts of $17 and $84, respectively)	29,057	21,447
Inventory, net	101,070	82,593
Deferred income taxes	9,683	13,042
Other current assets	2,681	3,906
Total current assets	142,633	121,295
Property, plant and equipment, net	199,795	203,590
Goodwill	20,268	20,268
Other long-term assets	1,861	2,771
Total assets	364,557	347,924
Current liabilities:
Accounts payable	25,009	14,288
Accrued employment costs	6,011	3,430
Current portion of long-term debt	3,000	3,000
Other current liabilities	861	1,023
Total current liabilities	34,881	21,741
Long-term debt	83,875	86,796
Deferred income taxes	42,108	42,532
Other long-term liabilities	63	397
Total liabilities	160,927	151,466
Commitments and contingencies
Stockholders' equity:
Senior Preferred Stock, par value $0.001 per share; 1,980,000 shares authorized; 0 shares issued and outstanding
Common stock, par value $0.001 per share; 20,000,000 shares authorized, respectively; 7,371,018 and 7,310,138 shares issued, respectively	7	7
Additional paid-in capital	52,810	49,688
Retained earnings	153,103	149,053
Treasury stock, at cost; 292,855 common shares held, respectively	(2,290)	(2,290)
Total stockholders' equity	203,630	196,458
Total liabilities and stockholders' equity	$ 364,557	$ 347,924