Note 2 - Summary of Significant Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2022

Notes Tables

Disaggregation of Revenue [Table Text Block]

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2022		2021		2022		2021
	(in thousands)
Revenue:
SaaS	$	29,959	$	22,410	$	84,131	$	61,255
Term license and support		18,288		17,477		42,501		37,292
Services		10,458		8,143		29,231		21,361
Maintenance		3,754		5,293		12,262		16,160
Perpetual license		280		604		606		2,003
Total revenue	$	62,739	$	53,927	$	168,731	$	138,071

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 (September 30, 2022)		66,315		86,031		42,364
Increase/(decrease)		4,980		3,699		3,438