Quarterly report pursuant to Section 13 or 15(d)

Note 8 - Accounts Payable, Accrued Liabilities and Other (Details Textual)

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Note 8 - Accounts Payable, Accrued Liabilities and Other (Details Textual) - Director Fees [Member] - USD ($)
Mar. 31, 2021
Dec. 31, 2020
Accounts Payable [Member]    
Due to Related Parties, Current, Total $ 78,000 $ 66,000
Accrued Liabilities and Other [Member]    
Due to Related Parties, Current, Total $ 457,000 $ 755,000