Note 3 - Contracts With Customers (Tables)

3 Months Ended

Mar. 31, 2019

Notes Tables

Disaggregation of Revenue [Table Text Block]

	2019		2018
Subscription services recognized ratably over time	$	27,913	$	25,766
Services recognized at a point in time		1,000		1,872
Fixed, non-subscription recognized over time		534		1,187
Unit price services recognized over time		2,033		2,192
Total revenue	$	31,480	$	31,017

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

	March 31, 2019			December 31, 2018
Accounts receivables	$	15,888		$	11,922
Contract assets included in other current assets	$	100		$	53
Deferred Revenue	$	(18,241	)	$	(16,244	)

	2019						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	$	-		$	(7,289	)				$	(8,238	)
Increases due to invoicing of client, net of amounts recognized as revenue		-			9,082						8,655
Decreases due to completion of services (or portion of services) and transferred to accounts receivable		(32	)		-			(35	)
Change due to cumulative catch-up adjustments arising from changes in expected contract consideration					204						(94	)
Decreases due to impairment		-			-
Increases due to revenue recognized in the period with additional performance obligations before invoicing		79			-			49