Note 1 - Basis of Presentation and Recent Accounting Pronouncements - Adjustment to Financial Statements (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended	9 Months Ended
	Oct. 31, 2016	Oct. 31, 2015	Jul. 31, 2016	Oct. 31, 2016	Oct. 31, 2015	Feb. 01, 2016	Jan. 31, 2016
New Accounting Pronouncement, Early Adoption, Effect [Member] | Scenario, Previously Reported [Member] | Common Class A [Member]
Basic and diluted weighted average shares outstanding (in shares)			15,644
Basic and diluted net loss per share (in dollars per share)			$ (0.12)
New Accounting Pronouncement, Early Adoption, Effect [Member] | Scenario, Previously Reported [Member] | Common Class B [Member]
Basic and diluted weighted average shares outstanding (in shares)			3,204
Basic and diluted net loss per share (in dollars per share)			$ (0.10)
New Accounting Pronouncement, Early Adoption, Effect [Member] | Scenario, Previously Reported [Member]
Other current assets			$ 18,369
Deferred tax assets, net			12,156
Additional paid-in capital			194,943
Accumulated deficit			(45,767)
Subscription fees			12,945
Maintenance and other			15,532
Professional services			35,048
Total cost of revenue			65,015
Gross profit			70,160
Sales and marketing			34,322
Research and development			22,283
General and administrative			16,526
Total operating expenses			73,462
Operating loss			(3,302)
Loss before income taxes			(3,743)
Income Tax Expense (Benefit)			(1,601)
Net loss			$ (2,142)
New Accounting Pronouncement, Early Adoption, Effect [Member] | Restatement Adjustment [Member] | Common Class A [Member]
Basic and diluted weighted average shares outstanding (in shares)
Basic and diluted net loss per share (in dollars per share)			$ 0.02
New Accounting Pronouncement, Early Adoption, Effect [Member] | Restatement Adjustment [Member] | Common Class B [Member]
Basic and diluted weighted average shares outstanding (in shares)
Basic and diluted net loss per share (in dollars per share)			$ 0.02
New Accounting Pronouncement, Early Adoption, Effect [Member] | Restatement Adjustment [Member]
Other current assets			$ (104)
Deferred tax assets, net						995
Additional paid-in capital			(422)			388
Accumulated deficit			318			$ 607
Subscription fees			(5)
Maintenance and other			(21)
Professional services			(47)
Total cost of revenue			(73)
Gross profit			73
Sales and marketing			(90)
Research and development			(71)
General and administrative			(37)
Total operating expenses			(198)
Operating loss			271
Loss before income taxes			271
Income Tax Expense (Benefit)			(47)
Net loss			$ 318
New Accounting Pronouncement, Early Adoption, Effect [Member] | Common Class A [Member]
Basic and diluted weighted average shares outstanding (in shares)			15,644
Basic and diluted net loss per share (in dollars per share)			$ (0.10)
New Accounting Pronouncement, Early Adoption, Effect [Member] | Common Class B [Member]
Basic and diluted weighted average shares outstanding (in shares)			3,204
Basic and diluted net loss per share (in dollars per share)			$ (0.08)
New Accounting Pronouncement, Early Adoption, Effect [Member]
Other current assets			$ 18,265
Deferred tax assets, net			13,151
Additional paid-in capital			194,909
Accumulated deficit			(44,842)
Subscription fees			12,940
Maintenance and other			15,511
Professional services			35,001
Total cost of revenue			64,942
Gross profit			70,233
Sales and marketing			34,232
Research and development			22,212
General and administrative			16,489
Total operating expenses			73,264
Operating loss			(3,031)
Loss before income taxes			(3,472)
Income Tax Expense (Benefit)			(1,648)
Net loss			$ (1,824)
Common Class A [Member]
Net loss	$ 1,311	$ 2,208		$ (245)	$ 4,067
Common Class B [Member]
Net loss	222	378		(46)	699
Other current assets	17,271			17,271			$ 16,024
Deferred tax assets, net	12,758			12,758			12,914
Additional paid-in capital	196,382			196,382			195,808
Accumulated deficit	(44,637)			(44,637)			$ (40,376)
Subscription fees	7,145	5,134		20,085	15,360
Maintenance and other	7,480	7,924		22,991	23,608
Professional services	17,850	17,120		52,851	54,035
Total cost of revenue	33,057	31,005		97,999	95,731
Gross profit	36,477	37,032		106,710	112,862
Sales and marketing	15,312	15,531		49,544	49,658
Research and development	10,807	10,193		33,019	31,440
General and administrative	7,934	7,676		24,423	24,719
Total operating expenses	34,218	33,565		107,482	106,312
Operating loss	2,259	3,467		(772)	6,550
Loss before income taxes	2,688	3,315		(784)	6,701
Income Tax Expense (Benefit)	1,155	729		(493)	1,935
Net loss	$ 1,533	$ 2,586		$ (291)	$ 4,766