Accrued Liabilities

12 Months Ended

Dec. 31, 2011

Accrued Liabilities [Abstract]

Accounts Payable and Accrued Liabilities Disclosure [Text Block]

ACCRUED LIABILITIES

Accrued liabilities consist of the following balances:

	December 31,
(in thousands)	2011		2010
Salaries, wages and bonuses	$	13,956	$	12,605
Warranty	5,313		5,554
State taxes	4,473		5,323
Retirement	1,789		2,210
Other	5,185		4,121
	$	30,716	$	29,813