Quarterly report pursuant to Section 13 or 15(d)

Note 5 - Fair Value Measurements - Financial Assets Measured at Fair Value on Recurring Basis (Details)

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Note 5 - Fair Value Measurements - Financial Assets Measured at Fair Value on Recurring Basis (Details) - Money Market Funds [Member] - Fair Value, Recurring [Member] - USD ($)
Mar. 31, 2024
Dec. 31, 2023
Money market funds $ 330,593 $ 631,258
Fair Value, Inputs, Level 1 [Member]    
Money market funds 330,593 631,258
Fair Value, Inputs, Level 2 [Member]    
Money market funds 0 0
Fair Value, Inputs, Level 3 [Member]    
Money market funds $ 0 $ 0