Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Current Assets:
Cash and cash equivalents	$ 3,772	$ 2,159
Accounts receivable, net	37,338	26,542
Inventories	22,428	17,521
Prepaid expenses and other assets	2,761	2,188
Income taxes receivable	384	435
Deferred income taxes	9,497	3,792
Total current assets	76,180	52,637
Property, plant and equipment, net	100,783	104,425
Goodwill and other intangibles	10,542	10,550
Other assets	652	1,003
Total Assets	188,157	168,615
Current Liabilities:
Accounts payable	14,891	11,161
Accrued expenses	23,295	18,818
Accrued warranty	9,000	7,500
Line of credit		5,000
Total current liabilities	47,186	42,479
Deferred income taxes	360	7,353
Non-current accrued warranty	31,812	21,487
Other long-term liabilities	2,183	3,310
Total Liabilities	81,541	74,629
Commitments and contingencies
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; 17,299,062 and 17,010,493 shares issued and 16,737,807 and 17,010,493 shares outstanding at December 31, 2013 and 2012, respectively	173	170
Additional paid-in capital	101,667	98,638
Retained earnings (deficit)	29,776	(4,822)
Treasury stock, at cost, 561,255 shares	(25,000)
Total Stockholders' Equity	106,616	93,986
Total Liabilities and Stockholders' Equity	$ 188,157	$ 168,615