Note 3 - Accrued Expenses - Summary of Accrued Expenses (Details) - USD ($)	Sep. 30, 2022	Dec. 31, 2021
Accrued commissions	$ 969,056	$ 879,120
Reserve for processing losses	722,494	623,494
Other accrued expenses	286,794	226,888
Accrued taxes	258,766	298,168
Accrued salaries	134,068	297,995
Total accrued expenses	$ 2,371,178	$ 2,325,665