Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 19,583	$ 2,159
Accounts receivable, net	24,024	26,542
Inventories	11,177	17,521
Prepaid expenses and other assets	1,741	2,188
Income taxes receivable	1,006	435
Deferred income taxes	3,874	3,792
Total current assets	61,405	52,637
Property, plant, and equipment, net	100,425	104,425
Goodwill and other intangibles	10,544	10,550
Other assets	1,081	1,003
Total assets	173,455	168,615
Current liabilities:
Accounts payable	6,673	11,161
Accrued expenses	23,051	18,818
Accrued warranty	9,000	7,500
Line of credit		5,000
Total current liabilities	38,724	42,479
Deferred income taxes	4,444	7,353
Non-current accrued warranty	34,040	21,487
Other long-term liabilities	2,436	3,310
Total liabilities	79,644	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; 17,239,580 and 17,010,493 shares issued and 16,678,325 and 17,010,493 shares outstanding at September 30, 2013 and December 31, 2012, respectively	172	170
Additional paid-in capital	103,966	98,638
Retained earnings (deficit)	14,673	(4,822)
Treasury stock, at cost, 561,255 shares	(25,000)
Total stockholders' equity	93,811	93,986
Total liabilities and stockholders' equity	$ 173,455	$ 168,615