Note 3 - Contracts With Customers - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Revenue	$ 137,390	$ 143,060	$ 148,580
Transferred over Time [Member] \| Subscription Services [Member]
Revenue	125,622	134,208	140,172
Transferred over Time [Member] \| Fixed, Non-subscription Services [Member]
Revenue	5,374	3,447	3,503
Transferred over Time [Member] \| Unit Price Services [Member]
Revenue	673	600	834
Transferred at Point in Time [Member] \| Service [Member]
Revenue	$ 5,721	$ 4,805	$ 4,071

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

NATIONAL RESEARCH CORP 10-K