Note 3 - Accrued Expenses - Summary of Accrued Expenses (Details) - USD ($)	Mar. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Accrued commissions	$ 3,190,497		$ 1,479,580
Reserve for processing losses	386,789	$ 755,494	755,494
Other accrued expenses	752,687		821,167
Accrued taxes	387,152		320,854
Accrued salaries	139,032		344,013
Total accrued expenses	$ 4,856,157	$ 3,721,108	$ 3,721,108