SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - USD ($)	3 Months Ended		9 Months Ended
	Oct. 31, 2021	Oct. 31, 2020	Oct. 31, 2021	Oct. 31, 2020	Jul. 31, 2021	Jan. 31, 2021
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Number of units outstanding	13,120,010	13,120,010	13,120,010	13,120,010
Contract liability	$ 0		$ 0		$ 5,966,182	$ 61,881