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9. Cancellation of Capital Stock (Details) - USD ($)	3 Months Ended
	May 31, 2019	Feb. 28, 2019	Nov. 30, 2018	Aug. 31, 2018
Details
Shares repurchased and cancelled	195,142	8,450	95,671	154,329
Payments for Repurchase of Common Stock	$ 1,704,543	$ 63,929	$ 893,376	$ 1,271,599
Average price per share repurchased and cancelled	$ 8.73	$ 7.57	$ 9.34	$ 8.24
Decrease to retained earnings	$ 1,658,509	$ 61,936	$ 870,805	$ 1,235,191
Shares repurchased and cancelled	195,142	8,450	95,671	154,329

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Premium paid to acquire these shares over the per share book value

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