Fair Value - Schedule of Changes in Level 3 Liabilities Measured at Fair Value on a Recurring Basis (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2019 USD ($)
Redeemable Warrants [Member]
Balance at beginning	$ 1,061
Warrants exercised and cancelled	(2,071)
Warrants issued	2,788
Deemed Dividend	135
Fair value adjustments	(1,039)
Balance at ending	874
Convertible Notes [Member]
Balance at beginning	3,408
Deferred debt discount written off due to refinancing	344
Pay off of old note payable	(3,722)
Amount of new note payable	3,742
Fair value of converted shares	(1,473)
Fair value adjustments	(16)
Balance at ending	$ 2,283