Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Current assets:
Cash	$ 93	$ 307
Accounts receivable (less allowance for doubtful accounts of $85 and $84, respectively)	28,062	21,447
Inventory, net	91,178	82,593
Deferred income taxes	12,361	13,042
Other current assets	4,566	3,906
Total current assets	136,260	121,295
Property, plant and equipment, net	201,340	203,590
Goodwill	20,268	20,268
Other long-term assets	2,541	2,771
Total assets	360,409	347,924
Current liabilities:
Accounts payable	26,737	14,288
Accrued employment costs	4,195	3,430
Current portion of long-term debt	3,000	3,000
Other current liabilities	1,054	1,023
Total current liabilities	34,986	21,741
Long-term debt	85,057	86,796
Deferred income taxes	42,584	42,532
Other long-term liabilities	668	397
Total liabilities	163,295	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; 7,351,388 and 7,310,138 shares issued, respectively	7	7
Additional paid-in capital	50,843	49,688
Retained earnings	148,554	149,053
Treasury stock, at cost; 292,855 common shares held	(2,290)	(2,290)
Total stockholders' equity	197,114	196,458
Total liabilities and stockholders' equity	$ 360,409	$ 347,924