Statements of Income - USD ($)	3 Months Ended
	Apr. 30, 2019	Apr. 30, 2018
REVENUES
Royalty income	$ 5,361,790	$ 6,646,670
Interest	105,083	37,377
Total revenues	5,466,873	6,684,047
EXPENSES
Expenses	556,585	368,199
Net income	$ 4,910,288	$ 6,315,848
WEIGHTED AVERAGE NUMBER OF UNITS OUTSTANDING	13,120,010	13,120,010
Net income per unit (Note 2) (in dollars per unit)	$ 0.3743	$ 0.4814
Distribution declared per unit (Note 3) (in dollars per unit)	$ 0.8900	$ 0.4500