Note 1 - Description of Business and Summary of Significant Accounting Policies - Schedule of Disaggregation of Revenue (Details) - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Revenues	$ 82,931,840	$ 84,066,245
Revenues, amount change	$ (1,134,405)
Revenues, percent change	(1.00%)
Revenues	$ 82,931,840	84,066,245
ACH and Complementary Service Revenue [Member]
Revenues	16,678,324	14,888,973
Revenues, amount change	$ 1,789,351
Revenues, percent change	12.00%
Revenues	$ 16,678,324	14,888,973
Credit Card Revenue [Member]
Revenues	29,267,546	28,476,591
Revenues, amount change	$ 790,955
Revenues, percent change	3.00%
Revenues	$ 29,267,546	28,476,591
Prepaid Card Services Revenue [Member]
Revenues	14,080,650	18,729,350
Revenues, amount change	$ (4,648,700)
Revenues, percent change	(25.00%)
Revenues	$ 14,080,650	18,729,350
Output Solutions [Member]
Revenues	20,618,996	20,496,195
Revenues, amount change	$ 122,801
Revenues, percent change	1.00%
Revenues	$ 20,618,996	20,496,195
ACH and Complementary Service Interest Revenue [Member]
Revenues	789,717	495,972
Revenues, amount change	$ 293,745
Revenues, percent change	59.00%
Revenues	$ 789,717	495,972
Prepaid Card Services Interest Revenue [Member]
Revenues	1,345,679	932,048
Revenues, amount change	$ 413,631
Revenues, percent change	44.00%
Revenues	$ 1,345,679	932,048
Output Solutions Interest [Member]
Revenues	150,928	47,116
Revenues, amount change	$ 103,812
Revenues, percent change	220.00%
Revenues	$ 150,928	$ 47,116