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Summary of Significant Accounting Policies - Schedule of Cumulative Effect of Adoption of ASU 2017-11 (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Mar. 31, 2018
Derivative Warrant Liability [Member]    
Cumulative effect adjustment $ (8) $ (15)
Additional Paid-in Capital [Member]    
Cumulative effect adjustment 28 28
Accumulated Deficit [Member]    
Cumulative effect adjustment $ 20 $ 13