Note 3 - Contracts With Customers (Tables)

9 Months Ended

Sep. 30, 2021

Notes Tables

Disaggregation of Revenue [Table Text Block]

	Three months ended				Nine months ended
	September 30, 2021		September 30, 2020		September 30, 2021		September 30, 2020
Subscription services recognized ratably over time	$	34,598	$	30,712	$	101,867	$	90,101
Services recognized at a point in time		1,160		1,170		2,046		2,456
Fixed, non-subscription recognized over time		888		460		2,014		1,740
Unit price services recognized over time		1,121		1,135		3,729		4,206
Total revenue	$	37,767	$	33,477	$	109,656	$	98,503

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

	September 30, 2021			December 31, 2020
Accounts receivables	$	16,262		$	13,923
Contract assets included in other current assets	$	172		$	311
Deferred Revenue	$	(17,308	)	$	(15,585	)

	Nine months ended September 30, 2021						Nine months ended September 30, 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	$	-		$	(14,926	)	$	-		$	(15,366	)
Increases due to invoicing of client, net of amounts recognized as revenue		-			16,087			-			16,352
Decreases due to completion of services (or portion of services) and transferred to accounts receivable		(164	)		-			(100	)		-
Increases due to acquisition		-			239			-			-
Change due to cumulative catch-up adjustments arising from changes in expected contract consideration					323						(12	)
Decreases due to impairment		-			-			-			-
Increases due to revenue recognized in the period with additional performance obligations before invoicing		26			-			238			-