9. Cancellation of Capital Stock (Details) - USD ($)	3 Months Ended
Feb. 29, 2020	Aug. 31, 2019	May 31, 2019	Feb. 28, 2019	Nov. 30, 2018
Details
Stock Repurchased and Retired During Period, Shares	490,120	46,408	195,142	8,450	95,671
Average price per share repurchased and cancelled	$ 7.89	$ 8.61	$ 8.73	$ 7.57	$ 9.34
Payments for Repurchase of Common Stock	$ 3,867,046	$ 399,593	$ 1,704,543	$ 63,929	$ 893,376
Decrease to retained earnings	$ 3,751,427	$ 388,645	$ 1,658,509	$ 61,936	$ 870,805
Stock Repurchased and Retired During Period, Shares	490,120	46,408	195,142	8,450	95,671

Represents the per-share monetary value of Average price per share repurchased and cancelled, during the indicated time period.

No definition available.

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- Definition

Represents the monetary amount of Decrease to retained earnings, during the indicated time period.

+ References

No definition available.

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The cash outflow to reacquire common stock during the period.

+ References

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Number of shares that have been repurchased and retired during the period.

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