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Note 1 - Description of Business and Summary of Significant Accounting Policies - Schedule of Disaggregation of Revenue (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Revenues | $ 61,942,316 | $ 32,251,823
Revenues, amount change | $ 29,690,493 |
Revenues, percent change | 92.00% |
ACH and Complementary Service Revenue [Member] |  |
Revenues | $ 15,432,787 | 8,471,705
Revenues, amount change | $ 6,961,082 |
Revenues, percent change | 82.00% |
Credit Card Revenue [Member] |  |
Revenues | $ 25,174,579 | 19,453,501
Revenues, amount change | $ 5,721,078 |
Revenues, percent change | 29.00% |
Prepaid Card Services Revenue [Member] |  |
Revenues | $ 6,542,651 | 3,166,580
Revenues, amount change | $ 3,376,071 |
Revenues, percent change | 107.00% |
Output Solutions [Member] |  |
Revenues | $ 14,792,299 | $ 1,160,037
Revenues, amount change | $ 13,632,262 |
Revenues, percent change | 1175.00% |

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