XML 14 R5.htm IDEA: XBRL DOCUMENT v3.21.1
CONSOLIDATED STATEMENTS OF OPERATIONS (Parentheticals) - USD ($)
3 Months Ended
Apr. 30, 2021
Apr. 30, 2020
Income Statement [Abstract]    
Cost of sales, related parties $ 16,700 $ 12,300
Selling, general and administrative expenses, related parties   $ (300)