Note 3 - Revenue Recognition and Sales Commissions - Revenues Disaggregated By Revenue Source (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Revenues	$ 73,095	$ 70,339	$ 217,411	$ 208,482
Subscription Services [Member]
Revenues	69,918	67,473	209,136	199,993
Professional Services [Member]
Revenues	$ 3,177	$ 2,866	$ 8,275	$ 8,489

Amount, excluding 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.

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+ Details