XML 16 R6.htm IDEA: XBRL DOCUMENT v3.21.1
Unaudited Condensed Consolidated Statements of Comprehensive Loss (Parentheticals) - USD ($)
$ in Thousands
3 Months Ended
Apr. 30, 2021
Apr. 30, 2020
Statement of Comprehensive Income [Abstract]    
Pension adjustments, tax $ 116 $ 120