Description of the Business and Summary of Significant Accounting Policies (Reconciliation of the Level 3 Warrant Liability Measured and Recorded at Fair Value on a Recurring Basis) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Description of the Business and Summary of Significant Accounting Policies [Abstract]
Balance as of January 1, 2020	$ 23
Fair value of warrants issuance during period
Change in fair value of warrant liability, net	20	$ (794)
Balance as of March 31, 2020	$ 43