Note 2 - Summary of Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2022

Notes Tables

Disaggregation of Revenue [Table Text Block]

	For the Three Months Ended
	March 31,
	2022		2021
Revenue:
SaaS	$	26,553	$	18,259
Term license and support		10,202		8,727
Services		8,925		5,916
Maintenance		4,441		5,409
Perpetual license		170		489
Total revenue	$	50,291	$	38,800

Accounts Receivable, Net, Deferred Revenue and Deferred Sales Commissions [Table Text Block]

	Accounts					Deferred
	receivable,			Deferred		contract
	net (1)			revenue		costs
	(in thousands)
Opening (January 1, 2021)	$	53,749		$	74,688	$	31,943
Closing (December 31, 2021)		61,335			82,332		38,926
Increase/(decrease)		7,586			7,644		6,983
Opening (January 1, 2022)	$	61,335		$	82,332	$	38,926
Closing (March 31, 2022)		51,897			83,963		39,090
Increase/(decrease)		(9,438	)		1,631		164