Restructuring (Details) - USD ($)	3 Months Ended			6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Mar. 31, 2014	Jun. 30, 2015	Dec. 31, 2014
Restructuring [Abstract]
Expense of termination employees		$ 26,000	$ 200,000
Restructuring costs paid	$ 0			$ 0
Restructuring liability	$ 0			$ 0	$ 0