Condensed Consolidated Statements of Operations and Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 31, 2017	Oct. 31, 2016	Oct. 31, 2017	Oct. 31, 2016
Revenue:
Subscription	$ 17,190	$ 13,678	$ 49,953	$ 37,487
License	6,628	4,323	18,636	14,686
Maintenance and other	32,407	32,552	96,284	98,654
Professional services	20,700	18,981	59,392	53,882
Total revenue	76,925	69,534	224,265	204,709
Costs of revenue:
Subscription	7,605	7,145	22,753	20,085
License	690	582	2,203	2,072
Maintenance and other	7,840	7,480	23,374	22,991
Professional services	21,911	17,850	61,276	52,851
Total cost of revenue	38,046	33,057	109,606	97,999
Gross profit	38,879	36,477	114,659	106,710
Operating expenses:
Sales and marketing	17,697	15,312	52,981	49,544
Research and development	12,111	10,807	35,332	33,019
General and administrative	8,556	7,934	26,373	24,423
Amortization of intangibles from acquisitions	85	165	359	496
Total operating expenses	38,449	34,218	115,045	107,482
Operating income (loss)	430	2,259	(386)	(772)
Other (income) expense:
Interest income	(440)	(184)	(1,101)	(515)
Interest expense	195	168	508	503
Other (income) expense, net	(413)	(413)	1,399	24
Total other (income) expense	(658)	(429)	806	12
Income (loss) before income taxes	1,088	2,688	(1,192)	(784)
Income tax expense (benefit)	1,249	1,155	2,701	(493)
Net (loss) income	(161)	1,533	(3,893)	(291)
Diluted net (loss) income per share
Net (loss) income	(161)	1,533	(3,893)	(291)
Other comprehensive income, net of tax:
Foreign currency translation adjustment	(743)	(20)	1,029	341
Total comprehensive (loss) income	(904)	1,513	(2,864)	50
Common Class A [Member]
Other (income) expense:
Net (loss) income	$ (139)	$ 1,311	$ (3,332)	$ (245)
Basic net (loss) income per share
Basic net (loss) income per share (in dollars per share)	$ (0.01)	$ 0.08	$ (0.21)	$ (0.02)
Diluted net (loss) income per share
Diluted net (loss) income per share (in dollars per share)	$ (0.01)	$ 0.08	$ (0.21)	$ (0.02)
Net (loss) income	$ (139)	$ 1,311	$ (3,332)	$ (245)
Common Class B [Member]
Other (income) expense:
Net (loss) income	$ (22)	$ 222	$ (561)	$ (46)
Basic net (loss) income per share
Basic net (loss) income per share (in dollars per share)	$ (0.01)	$ 0.07	$ (0.17)	$ (0.01)
Diluted net (loss) income per share
Diluted net (loss) income per share (in dollars per share)	$ (0.01)	$ 0.07	$ (0.17)	$ (0.01)
Net (loss) income	$ (22)	$ 222	$ (561)	$ (46)