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Note 1 - Basis of Presentation (Details Textual) Pure in Thousands	9 Months Ended		12 Months Ended
	Sep. 30, 2025 USD ($)	Sep. 30, 2024 USD ($)	Dec. 31, 2024 USD ($)	Jun. 30, 2025 USD ($)	Jun. 30, 2024 USD ($)
Prepaid Card Load Assets, Current	$ 9,387,387	$ 22,065,567	$ 25,648,688	$ 25,648,688	$ 31,578,973
Proceeds From (Payments For) Assets Held for Customers	(5,933,757)	5,136,555
Accounts Receivable, Allowance for Credit Loss, Current	324,000
Capitalized Computer Software, Additions	846,375	$ 575,882
Asset Impairment Charges	0		0
SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction	$ 751,937		$ 897,116
Domestic Tax Jurisdiction [Member] | Internal Revenue Service (IRS) [Member]
Open Tax Year	2024 2023 2022 2021
Customer Concentration Risk [Member] | Revenue from Contract with Customer Benchmark [Member]
Number of Major Customers	0	0
Minimum [Member]
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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		$ 9,500,000
Proceeds From (Payments For) Assets Held for Customers		$ 14,600,000

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