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Note Payable (Details) - Note Payable [Member] - USD ($)
$ in Thousands
9 Months Ended
Dec. 31, 2018
Mar. 31, 2018
Mar. 31, 2015
Dec. 31, 2014
Note Payable (Textual)        
Aggregate principal amount $ 300 $ 300   $ 200
Bears interest     6.00%  
Accrued interest $ 100 $ 0    
Debt, description The payables arose in connection with professional services rendered by attorneys for the Company prior to and through December 31, 2014, and the Note had an original maturity date of December 31, 2015, which was extended to September 30, 2016 or such later date as the lender may agree to in writing.