NET INCOME (LOSS) PER UNIT (Details) - USD ($)	3 Months Ended		9 Months Ended
	Oct. 31, 2016	Oct. 31, 2015	Oct. 31, 2016	Oct. 31, 2015	Jan. 31, 2016
NET INCOME (LOSS) PER UNIT
Accrued income receivable	$ 3,056,198		$ 3,056,198		$ 978,146
Number of units outstanding	13,120,010	13,120,010	13,120,010	13,120,010