Summary of Significant Accounting Policies Accrued Liabilities (Tables)

12 Months Ended

Dec. 31, 2014

Accrued Liabilities, Current [Abstract]

Schedule of Accrued Liabilities [Table Text Block]

Accrued liabilities consist of the following (in thousands):

	December 31, 2014		December 31, 2013
Accrued payroll and related costs	$	1,463	$	3,885
Warranty reserve	143		515
Restructuring charges	701		49
Customer deposits	—		643
Accrued taxes	33		75
Litigation charges	—		1,875
Other accrued liabilities	504		353
	$	2,844	$	7,395