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Notes Payable (Details Textual) - USD ($)
$ in Thousands
 1 Months Ended 6 Months Ended
Jul. 02, 2020
Apr. 13, 2020
Sep. 15, 2020
Jun. 17, 2020
Sep. 30, 2020
Mar. 31, 2020
Mar. 31, 2015
Dec. 31, 2014
Note Payable (Textual)                
Debt, description     The Company issued two-year senior secured convertible notes in the aggregate principal amount of $15.0 (the "Senior Notes") with Harvest Small Cap Partners, L.P. and Harvest Small Cap Partners, Ltd. (collectively, the "Purchaser").   In connection with the Senior Notes, the Company paid $0.2 million in certain fees, including direct costs of $0.2 million consisting of $90,000 for Purchaser's transaction costs which was subtracted from the $15.0 million disbursement, $75,000 to Purchaser's outside legal counsel as its transaction fees and $25,000 to the Company's outside legal counsel (collectively, the "Issuance Costs").      
Interest at a rate 1.00%              
Balance is payable years 30 years              
Acquired cost $ 500              
Convertible Notes Payable [Member]                
Note Payable (Textual)                
Aggregate principal amount         $ 300 $ 300   $ 200
Bears interest             6.00%  
Accrued interest         $ 100 $ 100    
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.      
Proceeds from a loan   $ 2,000   $ 200        
Interest at a rate   1.00%   3.75%        
Balance is payable years       30 years        
Loan matures   Apr. 13, 2022