Note 6 - Accrued Expenses - Summary of Accrued Expenses (Details) - USD ($)	Dec. 31, 2024	Dec. 31, 2023
Accrued commissions	$ 425,486	$ 2,433,353
Reserve for processing losses	897,116	826,528
Other accrued expenses	881,925	246,444
Accrued taxes	474,561	294,953
Accrued salaries	687,837	0
Total accrued expenses	$ 3,366,925	$ 3,801,278