Note 1 - Basis of Presentation - Schedule of Disaggregation of Revenue (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Revenues	$ 21,321,478	$ 20,982,761	$ 62,371,752	$ 63,935,603
ACH and Complementary Service Revenue [Member]
Revenues	4,302,510	3,528,133	12,078,574	10,948,012
Credit Card Revenue [Member]
Revenues	7,197,362	7,169,066	22,019,364	21,624,848
Prepaid Card Services Revenue [Member]
Revenues	4,017,153	4,685,212	11,031,795	14,710,084
Output Solutions [Member]
Revenues	5,253,388	5,138,030	15,478,180	15,945,447
ACH and Complementary Service Interest Revenue [Member]
Revenues	201,545	212,691	603,418	255,997
Prepaid Card Services Interest Revenue [Member]
Revenues	309,131	239,413	1,046,496	425,431
Output Solutions Interest [Member]
Revenues	$ 40,389	$ 10,216	$ 113,925	$ 25,784