Derivative Loss (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2016	Dec. 31, 2016
Derivative loss
Derivative income (loss)		$ (778)
Sentient Loan
Derivative loss
Derivative income (loss)	$ (800)	(800)
Warrant Liability
Derivative loss
Derivative income (loss)		$ (1,700)