Condensed Statements of Operations - USD ($)	3 Months Ended		9 Months Ended
	Oct. 31, 2022	Oct. 31, 2021	Oct. 31, 2022	Oct. 31, 2021
Revenues
Royalty income		$ 15,836,180	$ 9,794,440	$ 52,982,383
Interest	$ 84,681	522,027	119,678	522,690
Total revenues	84,681	16,358,207	9,914,118	53,505,073
Expenses
Expenses	498,373	365,301	1,589,996	2,182,267
Net income (loss)	$ (413,692)	$ 15,992,906	$ 8,324,122	$ 51,322,806
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)	$ (0.0315)	$ 1.2190	$ 0.6345	$ 3.9118
Distribution declared per unit (Note 3) (in dollars per unit)	$ 0.00	$ 1.4200	$ 1.8800	$ 2.4000