Summary of Significant Accounting Policies Accrued Liabilities (Tables)

12 Months Ended

Dec. 31, 2013

Accrued Liabilities, Current [Abstract]

Schedule of Accrued Liabilities [Table Text Block]

Accrued liabilities consist of the following (in thousands):

	December 31, 2013		December 31, 2012
Accrued payroll and related costs	$	3,885	$	3,237
Warranty reserve	515		419
Restructuring charges	49		149
Customer deposits	643		106
Accrued taxes	75		117
Litigation charges	1,875		—
Other accrued liabilities	353		609
	$	7,395	$	4,637