Note 3 - Contracts With Customers (Tables)

6 Months Ended

Jun. 30, 2019

Notes Tables

Disaggregation of Revenue [Table Text Block]

	Three months ended				Six months ended
	June 30, 2019		June 30, 2018		June 30, 2019		June 30, 2018
Subscription services recognized ratably over time	$	27,918	$	25,653	$	55,831	$	51,419
Services recognized at a point in time		1,625		244		2,625		2,116
Fixed, non-subscription recognized over time		506		400		1,040		1,587
Unit price services recognized over time		1,365		1,720		3,398		3,912
Total revenue		31,414		28,017		62,894		59,034

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

	June 30, 2019			December 31, 2018
	(In thousands)
Accounts receivables	$	15,087		$	11,922
Contract assets included in other current assets	$	230		$	53
Deferred Revenue	$	(16,988	)	$	(16,244	)

	Six months ended June 30, 2019						Six months ended June 30, 2018
	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	$	-		$	(12,226	)	$	-		$	(13,625	)
Increases due to invoicing of client, net of amounts recognized as revenue		-			12,751			-			13,796
Decreases due to completion of services (or portion of services) and transferred to accounts receivable		(46	)		-			(58	)		-
Change due to cumulative catch-up adjustments arising from changes in expected contract consideration					219						(153	)
Decreases due to impairment		-			-			-			-
Increases due to revenue recognized in the period with additional performance obligations before invoicing		223			-			56			-