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Accounts Payable and Accrued Expenses (Details) - USD ($)
Dec. 31, 2020
Dec. 31, 2019
Payables and Accruals [Abstract]    
Accounts Payable $ 7,240,000 $ 6,576,000
Accrued Payroll 663,000 444,000
Accrued Interest - related parties 400,000 210,000
Accrued Interest - others 42,000 294,000
Accrued expenses - other 337,000 581,000
Accounts Payable and accrued expenses $ 8,682,000 $ 8,105,000