Note 3 - Accrued Expenses - Summary of Accrued Expenses (Details) - USD ($)	Mar. 31, 2024	Dec. 31, 2023
Accrued commissions	$ 725,258	$ 2,433,353
Reserve for processing losses	859,528	826,528
Other accrued expenses	593,255	246,444
Accrued taxes	377,740	294,953
Accrued salaries	222,286	0
Total accrued expenses	$ 2,778,067	$ 3,801,278