Balance Sheets (Current Period Unaudited) (Parentheticals) - $ / shares	Jun. 30, 2024	Dec. 31, 2023
Common Stock, Par or Stated Value Per Share (in dollars per share)	$ 0.001	$ 0.001
Common Stock, Shares Authorized (in shares)	50,000,000	50,000,000
Common Stock, Shares, Issued (in shares)	7,695,238	5,998,018
Common Stock, Shares, Outstanding (in shares)	7,693,917	5,996,697
Treasury Stock, Common, Shares (in shares)	1,321	1,321