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Convertible notes payable at June 30, 2021 and December 31, 2020, were comprised of the following (Details) - USD ($)
Jun. 30, 2021
Dec. 31, 2020
Obligation with Joint and Several Liability Arrangement [Line Items]    
Less: Unamortized debt discounts $ (233,000) $ (274,000)
Total convertible notes payable, net of financing cost $ 427,000 386,000
4% Convertible Secured Notes [Member]    
Obligation with Joint and Several Liability Arrangement [Line Items]    
Debt, Weighted Average Interest Rate 4.00%  
Total convertible notes payable $ 660,000 $ 660,000