Note 3 - Accounts Receivable (Details Textual) - USD ($)	Mar. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Accounts Receivable, after Allowance for Credit Loss	$ 25,387,705	$ 19,671,833	$ 21,884,807
Accounts Receivable, Allowance for Credit Loss	$ 91,120	$ 105,223