Condensed Statements of Operations - USD ($)		3 Months Ended
	Apr. 13, 2018	Apr. 30, 2018	Apr. 30, 2017
REVENUES
Royalty income		$ 6,646,670	$ 4,760,429
Interest		37,377	6,542
Total revenues		6,684,047	4,766,971
EXPENSES
Expenses		368,199	295,046
Net income		$ 6,315,848	$ 4,471,925
WEIGHTED AVERAGE NUMBER OF UNITS OUTSTANDING		13,120,010	13,120,010
Net income per unit (Note 2) (in dollars per unit)		$ 0.4814	$ 0.3408
Distributions declared per unit (Note 3) (in dollars per unit)	$ 0.45	$ 0.4500	$ 0.5500