Note 2 - Revenue - Contract Balances (Details) - USD ($) $ in Thousands	Jan. 31, 2019	Feb. 01, 2018	Jan. 31, 2018
Contract assets, short-term (in Other current assets, net)	$ 2,058	$ 890
Contract assets, long-term (in Other assets, net)		110
Total contract assets	2,058	1,000
Deferred revenue	115,253	115,454	$ 116,693
Deferred revenue, long-term (in Other labilities)	1,465	1,644	2,156
Total deferred revenue	116,718	117,098	118,849
Deferred revenues, current	115,253	115,454	116,693
Deferred revenues, non-current (in Other liabilities)	1,465	$ 1,644	2,156
Maintenance [Member]
Deferred revenue	77,037		80,811
Deferred revenues, current	77,037		80,811
Subscription and Circulation [Member]
Deferred revenue	34,020		31,034
Deferred revenues, current	34,020		31,034
Professional Services [Member]
Deferred revenue	2,146		3,523
Deferred revenues, current	2,146		3,523
License [Member]
Deferred revenue	1,713		756
Deferred revenues, current	1,713		756
Product and Service, Other [Member]
Deferred revenue	337		569
Deferred revenues, current	$ 337		$ 569