Note 2 - Revenue - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Revenue	$ 13,399	$ 14,450	$ 43,847	$ 53,940
UNITED STATES
Revenue	12,777	13,973	42,307	52,836
Middle East [Member]
Revenue	588	451	1,452	1,030
European Union [Member]
Revenue	34	26	88	74
License [Member]
Revenue	0	0	1,794	14,283
Professional Services [Member]
Revenue	6,432	7,776	22,127	21,943
Processing and Maintenance [Member]
Revenue	5,814	5,267	16,933	13,837
Third party [Member]
Revenue	$ 1,153	$ 1,407	$ 2,993	$ 3,877