Notes Payable - Schedule of Notes Payable Activity (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Notes Payable, Principal		$ 2,300
Notes Payable, Debt Discount
Notes Payable, Net		2,300
Issuance of Convertible Notes Payable [Member]
Notes Payable, Principal	6,165	2,300
Notes Payable, Debt Discount	(5,627)
Notes Payable, Net	538	$ 2,300
Amortization of Debt Discount [Member]
Notes Payable, Principal
Notes Payable, Debt Discount	229
Notes Payable, Net	229
Conversion of Convertible Notes Payable [Member]
Notes Payable, Principal	(8,465)
Notes Payable, Debt Discount	5,398
Notes Payable, Net	$ (3,067)