Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 1,902	$ 2,159
Accounts receivable, net	117,385	26,542
Inventories	15,034	17,521
Prepaid expenses and other assets	1,338	2,188
Income taxes receivable	514	435
Deferred income taxes	3,837	3,792
Total current assets	140,010	52,637
Property, plant, and equipment, net	102,246	104,425
Goodwill and other intangibles	10,548	10,550
Other assets	970	1,003
Total assets	253,774	168,615
Current liabilities:
Accounts payable	13,035	11,161
Accrued expenses	13,351	18,818
Accrued warranty	7,500	7,500
Line of credit	72,000	5,000
Total current liabilities	105,886	42,479
Deferred income taxes	7,161	7,353
Non-current accrued warranty	19,806	21,487
Other long-term liabilities	3,889	3,310
Total liabilities	136,742	74,629
Stockholders' equity:
Preferred stock, $0.01 par value, 3,000,000 shares authorized; none issued and outstanding
Common stock, $0.01 par value, 40,000,000 shares authorized; 17,174,484 and 17,010,493 shares issued and outstanding at March 31, 2013 and December 31, 2012, respectively	172	170
Additional paid - in capital	100,113	98,638
Retained earnings (deficit)	16,747	(4,822)
Total stockholders' equity	117,032	93,986
Total liabilities and stockholders' equity	$ 253,774	$ 168,615