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Note 1 - Basis of Presentation (Details Textual) Pure in Thousands	3 Months Ended
	Mar. 31, 2025 USD ($)	Mar. 31, 2024 USD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
Prepaid Card Load Assets, Current	$ 14,553,939	$ 28,698,878	$ 25,648,688	$ 31,578,973
Proceeds From (Payments For) Assets Held for Customers	3,953,121	(6,748,838)
Accounts Receivable, Allowance for Credit Loss, Current	324,000
Capitalized Computer Software, Additions	290,650	115,473
Asset Impairment Charges	0
SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction	$ 541,521	$ 897,116
Customer Concentration Risk [Member] | Revenue from Contract with Customer Benchmark [Member]
Number of Major Customers	0	0
Minimum [Member]
Property, Plant and Equipment, Useful Life (Year)	3 years
Maximum [Member]
Property, Plant and Equipment, Useful Life (Year)	10 years
Change in Accounting of Cash Assets Held for Customers [Member] | Revision of Prior Period, Adjustment [Member]
Prepaid Card Load Assets, Current		$ 2,900,000
Proceeds From (Payments For) Assets Held for Customers		$ (3,900,000)

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