Note 2 - Revenue - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Revenue	$ 15,692	$ 15,206	$ 30,448	$ 39,490
UNITED STATES
Revenue	15,190	14,865	29,530	38,861
Middle East [Member]
Revenue	473	316	864	580
European Union [Member]
Revenue	29	25	54	49
License [Member]
Revenue	1,794	1,794	1,794	14,283
Professional Services [Member]
Revenue	7,354	7,605	15,695	14,167
Processing and Maintenance [Member]
Revenue	5,689	4,510	11,119	8,570
Third party [Member]
Revenue	$ 855	$ 1,297	$ 1,840	$ 2,470