Warrants (Details Narrative) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Warrants [Line Items]
Proceeds from warrant exercises		$ 1
Warrant [Member]
Warrants [Line Items]
Issuance of common stock shares for additional warrants exercised		19,621
Proceeds from warrant exercises		$ 1
Issuance of common stock		906