Summary of Significant Accounting Policies Accrued Liabilities (Tables)

12 Months Ended

Dec. 31, 2012

Accrued Liabilities, Current [Abstract]

Schedule of Accrued Liabilities [Table Text Block]

Accrued liabilities consist of the following (in thousands):

	December 31, 2012		December 31, 2011
Accrued payroll and related costs	$	3,237	$	5,673
Warranty reserve	419		823
Restructuring charges	149		49
Customer deposits	106		101
Accrued taxes	117		170
Other accrued liabilities	609		939
	$	4,637	$	7,755