Note 2 - Revenue - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Revenue	$ 15,206	$ 13,355	$ 39,490	$ 22,267
UNITED STATES
Revenue	14,865	12,515	38,861	21,397
Middle East [Member]
Revenue	316	211	580	211
European Union [Member]
Revenue	25	629	49	659
License [Member]
Revenue	1,794	2,300	14,283	2,300
Professional Services [Member]
Revenue	7,605	6,100	14,167	11,847
Processing and Maintenance [Member]
Revenue	4,510	4,193	8,570	6,799
Third party [Member]
Revenue	$ 1,297	$ 762	$ 2,470	$ 1,321