Note 3 - Accrued Expenses - Summary of Accrued Expenses (Details) - USD ($)	Jun. 30, 2024	Dec. 31, 2023
Accrued commissions	$ 1,092,870	$ 2,433,353
Reserve for processing losses	892,528	826,528
Other accrued expenses	713,415	246,444
Accrued taxes	145,906	294,953
Accrued salaries	369,799	0
Total accrued expenses	$ 3,214,518	$ 3,801,278