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Prepaid Expenses (Details) - USD ($)
Mar. 31, 2022
Dec. 31, 2021
Prepaid Expenses    
Prepaid Corporate Insurance $ 30,000 $ 90,000
Prepaid Software Services And Support 21,000 160,000
Prepaid Employee Insurance Premiums 139,000 9,000
Nasdaq Listing Fee 15,000 15,000
Other Prepaid Expenses 94,000 84,000
Total Prepaid Assets $ 599,000 $ 358,000