Fair Value of Financial Instruments (Tables)

3 Months Ended

Oct. 31, 2016

Fair Value, Assets Measured on Recurring Basis [Table Text Block]

	Fair Value Measurements Using
	Quoted Prices in	Significant
	Active Markets	Other	Significant
	For Identical	Observable	Unobservable	Balance as of	Balance as of
	Instruments	Inputs	Inputs	October 31,	July 31,
	(Level 1)	(Level 2)	(Level 3)	2016	2016
	$	$	$	$	$
Assets:
Cash	2,629	–	–	2,629	534