XML 45 R35.htm IDEA: XBRL DOCUMENT v3.21.2
Note 5 - Revenue From Contracts With Customers - Contract Assets and Liabilities (Details) - USD ($)
$ in Thousands
Oct. 31, 2021
Jan. 31, 2021
Unbilled revenue - current $ 57 $ 85
Total unbilled revenue 57 85
Deferred revenue & customer deposits - current 863 691
Total deferred revenue & customer deposits $ 863 $ 691