CONDENSED STATEMENTS OF OPERATIONS - USD ($)	3 Months Ended
	Apr. 30, 2022	Apr. 30, 2021
Revenues
Royalty income	$ 14,195,489	$ 9,402,167
Interest	759	484
Total revenues	14,196,248	9,402,651
Expenses
Expenses	601,063	828,781
Net income	$ 13,595,185	$ 8,573,870
Number of units outstanding	13,120,010	13,120,010
Net income per unit (Note 2) (in dollars per unit)	$ 1.0362	$ 0.6535
Distribution declared per unit (Note 3) (in dollars per unit)	$ 1.0400	$ 0.8900