Condensed Consolidated Statements of Operations and Comprehensive (Loss) Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Apr. 30, 2019	Apr. 30, 2018
Revenue:
Revenues	$ 78,035	$ 86,190
Costs of revenue:
Costs of revenues	36,934	41,067
Gross profit	41,101	45,123
Operating expenses:
Sales and marketing	20,891	19,946
Research and development	13,987	14,006
General and administrative	9,418	9,362
Amortization of intangibles from acquisitions	67
Total operating expenses	44,363	43,314
Operating (loss) income	(3,262)	1,809
Other (income) expense:
Interest income	(724)	(524)
Interest expense	153	157
Other (income), net	(172)	(404)
Total other (income), net	(743)	(771)
(Loss) income before income taxes	(2,519)	2,580
Income tax expense	715	1,183
Net (loss) income	(3,234)	1,397
Diluted net (loss) income per share
Net (loss) income	(3,234)	1,397
Other comprehensive loss, net of tax:
Foreign currency translation adjustments	(263)	(510)
Total comprehensive (loss) income	(3,497)	887
Common Class A [Member]
Other (income) expense:
Net (loss) income	$ (2,774)	$ 1,196
Basic net (loss) income per share
Basic net (loss) income per share (in dollars per share)	$ (0.17)	$ 0.07
Diluted net (loss) income per share
Diluted net (loss) income per share (in dollars per share)	$ (0.17)	$ 0.07
Net (loss) income	$ (2,774)	$ 1,196
Common Class B [Member]
Other (income) expense:
Net (loss) income	$ (460)	$ 201
Basic net (loss) income per share
Basic net (loss) income per share (in dollars per share)	$ (0.14)	$ 0.06
Diluted net (loss) income per share
Diluted net (loss) income per share (in dollars per share)	$ (0.14)	$ 0.06
Net (loss) income	$ (460)	$ 201
Subscription and Circulation [Member]
Revenue:
Revenues	25,306	21,511
Costs of revenue:
Costs of revenues	9,417	8,228
License [Member]
Revenue:
Revenues	4,466	6,266
Costs of revenue:
Costs of revenues	591	664
Maintenance [Member]
Revenue:
Revenues	29,899	31,483
Costs of revenue:
Costs of revenues	7,603	7,865
Professional Services [Member]
Revenue:
Revenues	18,364	26,930
Costs of revenue:
Costs of revenues	$ 19,323	$ 24,310