Note 1 - Basis of Presentation - Schedule of Disaggregation of Revenue (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Revenues	$ 6,960,553	$ 7,157,379	$ 14,732,232	$ 13,745,411
ACH and Complementary Service Revenue [Member]
Revenues	1,779,245	2,358,425	4,016,991	4,716,211
Credit Card Revenue [Member]
Revenues	4,588,199	4,423,463	9,570,857	8,327,869
Prepaid Card Services Revenue [Member]
Revenues	$ 593,109	$ 375,491	$ 1,144,384	$ 701,331