Quarterly report pursuant to Section 13 or 15(d)

Note 5 - Loss Per Share (Details Textual)

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Note 5 - Loss Per Share (Details Textual) - shares
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Stock Options and Warrants [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 25,267,071 1,310,974
Restricted Stock [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 90,000 92,500