NET INCOME (LOSS) PER UNIT (Details) - USD ($)	3 Months Ended
	Apr. 30, 2017	Apr. 30, 2016	Jan. 31, 2017
NET INCOME (LOSS) PER UNIT
Accrued income receivable	$ 1,231,998		$ 45,045
Number of units outstanding	13,120,010	13,120,010