Note 1 - Basis of Presentation - Schedule of Disaggregation of Revenue (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Revenues	$ 15,821,070	$ 8,137,077	$ 44,515,761	$ 22,869,309
ACH and Complementary Service Revenue [Member]
Revenues	3,733,453	2,063,458	10,813,806	6,080,449
Credit Card Revenue [Member]
Revenues	6,509,344	5,076,591	18,791,129	14,647,448
Prepaid Card Services Revenue [Member]
Revenues	2,004,657	997,028	3,968,764	2,141,412
Output Solutions [Member]
Revenues	$ 3,573,616	$ 0	$ 10,942,062	$ 0