Restructuring (Details 2) $ in Thousands	9 Months Ended
	Sep. 30, 2015 USD ($)
Restructuring Cost And Reserve [Line Items]
Restructuring obligations, beginning balance	$ 154
Restructuring costs incurred	169
Cash payments	(313)
Restructuring obligations, ending balance	10
Workforce Reduction [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring obligations, beginning balance	54
Restructuring costs incurred	169
Cash payments	(223)
Facilities [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring obligations, beginning balance	100
Cash payments	(90)
Restructuring obligations, ending balance	$ 10