Note 2 - Revenue - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Revenue	$ 48,248	$ 35,873
UNITED STATES
Revenue	46,733	34,864
European Union [Member]
Revenue	719	1,009
Middle East [Member]
Revenue	796
License [Member]
Revenue	5,865	3,600
Professional Services [Member]
Revenue	25,159	20,610
Processing and Maintenance [Member]
Revenue	14,113	10,228
Third party [Member]
Revenue	$ 3,111	$ 1,435

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.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
-Topic 924
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-Section S99
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+ Details