Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Apr. 30, 2021	Apr. 30, 2020
Revenue:
Revenues	$ 82,971	$ 74,147
Costs of revenue:
Costs of revenues	34,189	32,425
Gross profit	48,782	41,722
Operating expenses:
Sales and marketing	19,567	18,557
Research and development	15,638	14,017
General and administrative	12,576	10,017
Amortization of intangible assets from acquisitions	240	64
Total operating expenses	48,021	42,655
Operating income (loss)	761	(933)
Other expense (income):
Interest income	(74)	(436)
Interest expense	141	150
Other expense (income), net	238	(1,232)
Total other expense (income), net	305	(1,518)
Income before income taxes	456	585
Income tax (benefit) expense	(1,376)	995
Net income (loss)	1,832	(410)
Diluted net income (loss) per share
Net income (loss)	1,832	(410)
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustment	(161)	(2,655)
Total comprehensive income (loss)	1,671	(3,065)
Common Class A [Member]
Other expense (income):
Net income (loss)	$ 1,580	$ (353)
Basic net income (loss) per share
Basic net (loss) income per share (in dollars per share)	$ 0.09	$ (0.02)
Diluted net income (loss) per share
Diluted net (loss) income per share (in dollars per share)	$ 0.09	$ (0.02)
Net income (loss)	$ 1,580	$ (353)
Common Class B [Member]
Other expense (income):
Net income (loss)	$ 252	$ (57)
Basic net income (loss) per share
Basic net (loss) income per share (in dollars per share)	$ 0.08	$ (0.02)
Diluted net income (loss) per share
Diluted net (loss) income per share (in dollars per share)	$ 0.07	$ (0.02)
Net income (loss)	$ 252	$ (57)
Subscription and Circulation [Member]
Revenue:
Revenues	36,686	30,771
Costs of revenue:
Costs of revenues	12,162	10,348
License [Member]
Revenue:
Revenues	3,115	1,221
Costs of revenue:
Costs of revenues	538	401
Maintenance [Member]
Revenue:
Revenues	26,563	26,408
Costs of revenue:
Costs of revenues	6,555	6,744
Professional Services [Member]
Revenue:
Revenues	16,607	15,747
Costs of revenue:
Costs of revenues	$ 14,934	$ 14,932