Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - $ / shares	Sep. 30, 2023	Dec. 31, 2022
Common Stock, Par or Stated Value Per Share (in dollars per share)	$ 0.001
Common stock, authorized (in shares)	600,000,000
Common Stock, Shares, Issued (in shares)	26,695,287	26,334,953
Common Stock, Shares, Outstanding (in shares)	26,695,287	26,334,953

Face amount or stated value per share of common stock.

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The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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