Condensed Consolidated Statements of Operations and Comprehensive (Loss) Income (Unaudited) - USD ($)	3 Months Ended		9 Months Ended
	Oct. 31, 2019	Oct. 31, 2018	Oct. 31, 2019	Oct. 31, 2018
Revenue:
Revenues	$ 77,807,000	$ 79,577,000	$ 232,220,000	$ 250,310,000
Costs of revenue:
Costs of revenues	33,717,000	37,361,000	106,683,000	118,864,000
Gross profit	44,090,000	42,216,000	125,537,000	131,446,000
Operating expenses:
Sales and marketing	19,771,000	18,447,000	60,853,000	57,895,000
Research and development	13,622,000	13,155,000	41,479,000	40,674,000
General and administrative	9,234,000	8,095,000	29,044,000	26,823,000
Amortization of intangibles from acquisitions	67,000	45,000	200,000	45,000
Total operating expenses	42,694,000	39,742,000	131,576,000	125,437,000
Operating income (loss)	1,396,000	2,474,000	(6,039,000)	6,009,000
Other (income) expense:
Interest income	(695,000)	(646,000)	(2,208,000)	(1,913,000)
Interest expense	176,000	177,000	477,000	488,000
Other (income) expense, net	386,000	(636,000)	60,000	(1,309,000)
Total other (income), net	(133,000)	(1,105,000)	(1,671,000)	(2,734,000)
Income (loss) before income taxes	1,529,000	3,579,000	(4,368,000)	8,743,000
Income tax expense	1,404,000	597,000	11,991,000	3,251,000
Net income (loss)	125,000	2,982,000	(16,359,000)	5,492,000
Diluted net income (loss) per share
Net income (loss)	125,000	2,982,000	(16,359,000)	5,492,000
Other comprehensive loss, net of tax:
Foreign currency translation adjustment	(313,000)	(1,174,000)	(278,000)	(2,010,000)
Total comprehensive (loss) income	(188,000)	1,808,000	(16,637,000)	3,482,000
Common Class A [Member]
Other (income) expense:
Net income (loss)	$ 107,000	$ 2,557,000	$ (14,045,000)	$ 4,707,000
Basic net income (loss) per share
Basic net (loss) income per share (in dollars per share)	$ 0.01	$ 0.16	$ (0.85)	$ 0.29
Diluted net income (loss) per share
Diluted net (loss) income per share (in dollars per share)	$ 0.01	$ 0.14	$ (0.85)	$ 0.26
Net income (loss)	$ 107,000	$ 2,557,000	$ (14,045,000)	$ 4,707,000
Common Class B [Member]
Other (income) expense:
Net income (loss)	$ 18,000	$ 425,000	$ (2,314,000)	$ 785,000
Basic net income (loss) per share
Basic net (loss) income per share (in dollars per share)	$ 0.01	$ 0.13	$ (0.71)	$ 0.24
Diluted net income (loss) per share
Diluted net (loss) income per share (in dollars per share)	$ 0.01	$ 0.12	$ (0.71)	$ 0.23
Net income (loss)	$ 18,000	$ 425,000	$ (2,314,000)	$ 785,000
Subscription and Circulation [Member]
Revenue:
Revenues	27,328,000	23,863,000	78,522,000	67,813,000
Costs of revenue:
Costs of revenues	9,540,000	8,686,000	28,860,000	25,248,000
License [Member]
Revenue:
Revenues	3,295,000	4,631,000	11,277,000	16,458,000
Costs of revenue:
Costs of revenues	510,000	534,000	1,655,000	1,772,000
Maintenance [Member]
Revenue:
Revenues	29,699,000	30,401,000	89,184,000	92,458,000
Costs of revenue:
Costs of revenues	7,291,000	7,716,000	22,353,000	23,355,000
Professional Services [Member]
Revenue:
Revenues	17,485,000	20,682,000	53,237,000	73,581,000
Costs of revenue:
Costs of revenues	$ 16,376,000	$ 20,425,000	$ 53,815,000	$ 68,489,000