NET INCOME (LOSS) PER UNIT (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jul. 31, 2016	Jul. 31, 2015	Jul. 31, 2016	Jul. 31, 2015	Jan. 31, 2016
NET INCOME (LOSS) PER UNIT
Accrued income receivable	$ 1,494,257		$ 1,494,257		$ 978,146
Number of units outstanding	13,120,010	13,120,010	13,120,010	13,120,010