XML 50 R41.htm IDEA: XBRL DOCUMENT v3.20.1
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - Schedule of Components of Basis of Presentation - USD ($)
$ in Thousands
12 Months Ended
Jan. 31, 2020
Jan. 31, 2019
Jan. 31, 2018
Schedule of Components of Basis of Presentation [Abstract]      
Interest income $ 4,120 $ 3,514 $ 1,556
Grant income     691
Loss on sale of investment     (13)
Loss on disposal of real estate and property and equipment, net   (104) (192)
Other 92 (22) 18
Total $ 4,212 $ 3,388 $ 2,060