Commitments and Contingent Liabilities - Schedule of Supplemental Information Related to Leases (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Dec. 31, 2018
Operating lease right-of-use assets	$ 1,104
Current Operating lease liabilities	(1,200)
Non-current operating lease liabilities	(1,138)
Lease Agreements [Member]
Operating lease right-of-use assets	1,104
Current Operating lease liabilities	(338)
Non-current operating lease liabilities	(800)
Operating cash flows from operating leases	$ (85)
Weighted Average Remaining Lease Term description	1.27 years
Weighted Average Discount Rate	9.07%