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10. Cancellation of Capital Stock (Details) | 3 Months Ended
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Feb. 29, 2020 USD ($) $ / shares shares
Details |
Shares repurchased and cancelled | shares | 490,120
Average price per share repurchased and cancelled | $ / shares | $ 7.89
Payments for Repurchase of Common Stock | $ 3,867,046
Decrease to retained earnings | $ 3,751,427

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