Note 3 - Contracts With Customers (Tables)

12 Months Ended

Dec. 31, 2020

Notes Tables

Disaggregation of Revenue [Table Text Block]

	2020		2019		2018
Subscription services recognized ratably over time	$	122,499	$	114,216	$	104,777
Services recognized at a point in time		2,932		4,992		4,775
Fixed, non-subscription recognized over time		2,907		3,248		3,163
Unit price services recognized over time		4,939		5,526		6,971
Total revenue	$	133,277	$	127,982	$	119,686

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

	December 31, 2020			December 31, 2019
Accounts receivables	$	13,923		$	11,639
Contract assets included in other current assets	$	311		$	103
Deferred revenue	$	(15,585	)	$	(16,354	)

	2020						2019
	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	$	-		$	(16,083	)	$	-		$	(15,785	)
Increases due to invoicing of client, net of amounts recognized as revenue		-			15,338			-			15,631
Decreases due to completion of services (or portion of services) and transferred to accounts receivable		(103	)		-			(53	)		-
Change due to cumulative catch-up adjustments arising from changes in expected contract consideration		-			(24	)		-			264
Increases due to revenue recognized in the period with additional performance obligations before invoicing		311			-			103			-