CONDENSED STATEMENTS OF OPERATIONS - USD ($)	3 Months Ended		6 Months Ended
	Jul. 31, 2022	Jul. 31, 2021	Jul. 31, 2022	Jul. 31, 2021
Revenues
Royalty income (loss)	$ (4,401,049)	$ 27,744,036	$ 9,794,440	$ 37,146,203
Interest	34,238	179	34,997	663
Total revenues (loss)	(4,366,811)	27,744,215	9,829,437	37,146,866
Expenses
Expenses	490,560	988,185	1,091,623	1,816,966
Net income (loss)	$ (4,857,371)	$ 26,756,030	$ 8,737,814	$ 35,329,900
Number of units outstanding	13,120,010	13,120,010	13,120,010	13,120,010
Net income (loss) per unit (Note 2) (in dollars per unit)	$ (0.3702)	$ 2.0393	$ 0.6660	$ 2.6928
Distribution declared per unit (Note 3) (in dollars per unit)	$ 0.8400	$ 0.0900	$ 1.8800	$ 0.9800