Fair Value Measurements (Details) - Schedule of fair value of derivative liabilities - Derivative Financial Instruments, Liabilities [Member] - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Balance		$ 493
Decrease in fair value of 2017 Note-related conversion feature upon re-measurement		(464)
Decrease in fair value of warrants upon re-measurement		(18)
Fair value of beneficial conversion feature discount associated with 2017 Note modification		40
Balance		$ 51
Increase in fair value of warrants upon re-measurement	$ 1,683
Fair value of warrants issued with notes to related party	4,061
Reclassification of warrants to additional paid-in capital	(5,785)
Balance	$ 10