Note 2 - Contracts With Customers (Tables)

6 Months Ended

Jun. 30, 2020

Notes Tables

Disaggregation of Revenue [Table Text Block]

	Three months ended				Six months ended
	June 30, 2020		June 30, 2019		June 30, 2020		June 30, 2019
Subscription services recognized ratably over time	$	29,572	$	27,918	$	59,993	$	55,831
Services recognized at a point in time		191		1,625		1,287		2,625
Fixed, non-subscription recognized over time		158		506		675		1,040
Unit price services recognized over time		1,245		1,365		3,071		3,398
Total revenue	$	31,166	$	31,414	$	65,026	$	62,894

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

	June 30, 2020			December 31, 2019
Accounts receivables	$	19,882		$	11,639
Contract assets included in other current assets	$	120		$	103
Deferred Revenue	$	(16,275	)	$	(16,354	)

	Six months ended June 30, 2020						Six months ended June 30, 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	$	-		$	(11,934	)	$	-		$	(12,226	)
Increases due to invoicing of client, net of amounts recognized as revenue		-			11,821			-			12,751
Decreases due to completion of services (or portion of services) and transferred to accounts receivable		(85	)		-			(46	)		-
Change due to cumulative catch-up adjustments arising from changes in expected contract consideration					34						219
Decreases due to impairment		-			-			-			-
Increases due to revenue recognized in the period with additional performance obligations before invoicing		102			-			223			-