Fair Value of Financial Instruments (Tables)

12 Months Ended

Aug. 31, 2016

Fair Value Disclosures [Abstract]

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

The following table sets forth by level, within the fair value hierarchy, certain assets at estimated fair value as of August 31, 2016 and 2015:

	Quoted Prices in		Significant Other		Significant
	Active Markets for		Observable		Unobservable
	Identical Assets		Inputs		Inputs
	(Level 1)		(Level 2)		(Level 3)		Total
August 31, 2016
Marketable securities	$	540,000		—		—	$	540,000
Liability for short sales of trading securities		(1,425,000)		—		—		(1,425,000)
August 31, 2015
Marketable securities		—		—		—		—
Liability for short sales of trading securities		(1,781,000)		—		—		(1,781,000)