Note 2 - Revenue - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Revenue	$ 15,703	$ 13,399	$ 42,576	$ 43,847
UNITED STATES
Revenue	14,997	12,777	40,754	42,307
Middle East [Member]
Revenue	678	588	1,740	1,452
European Union [Member]
Revenue	28	34	82	88
License [Member]
Revenue	1,420	0	1,420	1,794
Professional Services [Member]
Revenue	7,006	6,432	19,805	22,127
Processing and Maintenance [Member]
Revenue	6,067	5,814	17,912	16,933
Third party [Member]
Revenue	$ 1,210	$ 1,153	$ 3,439	$ 2,993

Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise.

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+ Details