Note 1 - Description of Business and Summary of Significant Accounting Policies - Schedule of Disaggregation of Revenue (Details) - USD ($)	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Revenues	$ 85,393,626	$ 82,931,840
Revenues, amount change	$ 2,461,786
Revenues, percent change	3.00%
ACH and Complementary Service Revenue [Member]
Revenues	$ 22,199,050	16,678,324
Revenues, amount change	$ 5,520,726
Revenues, percent change	33.00%
Credit Card Revenue [Member]
Revenues	$ 30,012,875	29,267,546
Revenues, amount change	$ 745,329
Revenues, percent change	3.00%
Prepaid Card Services Revenue [Member]
Revenues	$ 11,004,704	14,080,650
Revenues, amount change	$ (3,075,946)
Revenues, percent change	(22.00%)
Output Solutions [Member]
Revenues	$ 20,645,353	20,618,996
Revenues, amount change	$ 26,357
Revenues, percent change	0.00%
ACH and Complementary Service Interest Revenue [Member]
Revenues	$ 745,252	789,717
Revenues, amount change	$ (44,465)
Revenues, percent change	(6.00%)
Prepaid Card Services Interest Revenue [Member]
Revenues	$ 615,442	1,345,679
Revenues, amount change	$ (730,237)
Revenues, percent change	(54.00%)
Output Solutions Interest [Member]
Revenues	$ 170,950	$ 150,928
Revenues, amount change	$ 20,022
Revenues, percent change	13.00%

Usio, Inc. 10-K