Note 2 - Revenue - Contract Balances (Details) - USD ($) $ in Thousands	Jul. 31, 2020	Jan. 31, 2020
Contract assets, short-term (in “Prepaid expenses and other current assets, net”)	$ 2,040	$ 1,595
Contract assets, long-term (in “Other assets, net”)	155	214
Total contract assets	2,195	1,809
Deferred revenue, short-term	95,049	118,413
Deferred revenue, long-term (in “Other liabilities”)	2,424	2,811
Total deferred revenue	97,473	121,224
Maintenance [Member]
Deferred revenue, short-term	51,768	69,650
Subscription and Circulation [Member]
Deferred revenue, short-term	41,138	45,702
Professional Services [Member]
Deferred revenue, short-term	2,096	2,705
License and Other [Member]
Deferred revenue, short-term	$ 47	$ 356