Note 2 - Contracts With Customers - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2025	Mar. 31, 2024
Revenue	$ 33,551	$ 35,313
Transferred over Time [Member] \| Subscription Services [Member]
Revenue	31,042	33,271
Transferred over Time [Member] \| Fixed, Non-subscription Services [Member]
Revenue	645	495
Transferred over Time [Member] \| Unit Price Services [Member]
Revenue	123	126
Transferred at Point in Time [Member] \| Service [Member]
Revenue	$ 1,741	$ 1,421

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