Accrued Liabilities (Tables)

12 Months Ended

Dec. 31, 2013

Accrued Liabilities [Abstract]

Schedule of Accrued Liabilities [Table Text Block]

Accrued liabilities consisted of the following (in thousands):

	December 31, 2013		December 31, 2012
Accrued compensation	$	5,767	$	4,167
Accrued commissions	1,666		1,918
Accrued restructuring	902		—
Other accrued liabilities	4,539		2,748
Total accrued liabilities	$	12,874	$	8,833