Note 2 - Revenue - Contract Balances (Details) - USD ($) $ in Thousands	Oct. 31, 2020	Jan. 31, 2020
Contract assets, short-term (in “Prepaid expenses and other current assets, net”)	$ 3,958	$ 1,595
Contract assets, long-term (in “Other assets, net”)	91	214
Total contract assets	4,049	1,809
Deferred revenue, short-term	85,842	118,413
Deferred revenue, long-term (in “Other liabilities”)	2,304	2,811
Total deferred revenue	88,146	121,224
Maintenance [Member]
Deferred revenue, short-term	42,259	69,650
Subscription and Circulation [Member]
Deferred revenue, short-term	41,105	45,702
Professional Services [Member]
Deferred revenue, short-term	2,393	2,705
License and Other [Member]
Deferred revenue, short-term	$ 85	$ 356