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Other Assets (Details) - Schedule of Other Assets - USD ($)
Dec. 31, 2020
Dec. 31, 2019
Other Assets (Details) - Schedule of Other Assets [Line Items]    
Refundable AMT credits   $ 275,000
Prepaids $ 34,000 55,000
Deposits 13,000 73,000
Total other assets $ 47,000 $ 403,000