Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals)

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Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - $ / shares
Jun. 30, 2024
Dec. 31, 2023
Common stock, par value (in dollars per share) $ 0.001 $ 0.001
Common stock, authorized (in shares) 40,000,000 40,000,000
Common stock, issued (in shares) 17,601,827 14,904,497
Common stock, outstanding (in shares) 17,601,827 14,904,497