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Concentrations of Credit Risk and Major Customers (Details Narrative) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended 12 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Mar. 31, 2020
Revenues from continuing operations  
Accounts receivable-trade     $ 63
Cash balance FDIC 150   150    
Four Customers [Member]          
Accounts receivable-trade     $ 44
Four Customers [Member] | Customer Concentration Risk [Member] | Accounts Receivable [Member]          
Concentrations of credit risk percentage         70.00%