Note 3 - Contracts With Customers (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

Disaggregation of Revenue [Table Text Block]

	2021		2020		2019
Subscription services recognized ratably over time	$	137,008	$	122,499	$	114,216
Services recognized at a point in time		3,216		2,932		4,992
Fixed, non-subscription recognized over time		3,065		2,907		3,248
Unit price services recognized over time		4,665		4,939		5,526
Total revenue	$	147,954	$	133,277	$	127,982

Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block]

	December 31, 2021			December 31, 2020
Accounts receivables	$	13,728		$	13,923
Contract assets included in other current assets	$	99		$	311
Deferred revenue	$	(17,213	)	$	(15,585	)

	2021						2020
	Contract Asset			Deferred Revenue			Contract Asset			Deferred Revenue
	Increase (Decrease)
Revenue recognized that was included in deferred revenue at beginning of year due to completion of services	$	-		$	(15,631	)	$	-		$	(16,083	)
Increases due to invoicing of client, net of amounts recognized as revenue		-			16,694			-			15,338
Decreases due to completion of services (or portion of services) and transferred to accounts receivable		(311	)		-			(103	)		-
Change due to cumulative catch-up adjustments arising from changes in expected contract consideration		-			326			-			(24	)
Increases due to revenue recognized in the period with additional performance obligations before invoicing		99			-			311			-