Note 2 - Revenue - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Revenue	$ 14,450	$ 12,935	$ 53,940	$ 35,202
UNITED STATES
Revenue	13,973	12,610	52,836	34,007
Middle East [Member]
Revenue	451	297	1,030	508
European Union [Member]
Revenue	26	28	74	687
License [Member]
Revenue		1,783	14,283	4,083
Professional Services [Member]
Revenue	7,776	6,893	21,943	18,740
Processing and Maintenance [Member]
Revenue	5,267	3,457	13,837	10,256
Third party [Member]
Revenue	$ 1,407	$ 802	$ 3,877	$ 2,123