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9. Cancellation of Capital Stock (Details) - USD ($)	3 Months Ended	12 Months Ended
	Aug. 31, 2017	Aug. 31, 2017
Details
Shares repurchased and cancelled, shares	41,800
Payments for Repurchase of Common Stock	$ 526,941
Average price per share repurchased and cancelled	$ 12.61
Shares returned to treasury for cancellation		10,000
Shares returned to treasury for cancellation, value		$ 4,719
Shares returned to treasury for cancellation, value, effect on retained earnings		$ 4,719

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