Condensed Statements of Operations - USD ($)	3 Months Ended
	Apr. 30, 2017	Apr. 30, 2016
REVENUES
Royalty income	$ 3,650,211
Interest	6,542	$ 1,679
Total revenues	3,656,753	1,679
EXPENSES
Expenses	295,046	431,931
Net income	$ 3,361,707	$ (430,252)
WEIGHTED AVERAGE NUMBER OF UNITS OUTSTANDING	13,120,010	13,120,010
Net income per unit (Note 2) (in dollars per unit)	$ 0.2562	$ (0.0328)
Distributions declared per unit (Note 3) (in dollars per unit)	$ 0.5500	$ 0.2000