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LONG TERM DEBT - Schedule of long term debt (Details) - USD ($)
12 Months Ended
Jan. 31, 2021
Jan. 31, 2020
Long term debt [Line Items]    
Beginning Balance $ 620,336 $ 0
Assumed in PPE acquisitions   699,757
Interest 42,908  
Payments (119,914) (79,421)
Ending Balance 543,330 620,336
Current portion 81,044 126,119
Long-term portion 462,286 494,217
Mortgage on building    
Long term debt [Line Items]    
Beginning Balance 496,384 0
Assumed in PPE acquisitions   513,294
Interest 21,933  
Payments (45,551) (16,910)
Ending Balance 472,766 496,384
Current portion 24,703  
Long-term portion 448,063  
Equipment and Vehicle loans    
Long term debt [Line Items]    
Beginning Balance 123,952 0
Assumed in PPE acquisitions   186,463
Interest 20,975  
Payments (74,363) (62,511)
Ending Balance 70,564 $ 123,952
Current portion 56,341  
Long-term portion $ 14,223