Quarterly report pursuant to Section 13 or 15(d)

Note 11 - Notes Payable (Details Textual)

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Note 11 - Notes Payable (Details Textual) - USD ($)
12 Months Ended
Dec. 31, 2021
Mar. 31, 2022
Notes Payable, Total   $ 0
Paycheck Protection Program, CARES Act [Member]    
Debt Instrument, Decrease, Forgiveness $ 332,000