Shareholders' Equity (Details) - Stock Options [Member] - 2010 Incentive Stock Plan [Member]	3 Months Ended
Feb. 29, 2020 $ / shares shares
Shares
Options outstanding December 1, 2019 \| shares	147,000
Options issued in the three months ended February 29, 2020 \| shares
Options exercised in the three months ended February 29, 2020 \| shares
Options cancelled in the three months ended February 29, 2020 \| shares
Options or of electronicutstanding at February 29, 2020 \| shares	147,000
Options exercisable at February 29, 2020 \| shares	147,000
Weighted Average Exercise Price
Options outstanding December 1, 2019 \| $ / shares	$ 1.01
Options issued in the three months ended February 29, 2020 \| $ / shares
Options exercised in the three months ended February 29, 2020 \| $ / shares
Options cancelled in the three months ended February 29, 2020 \| $ / shares
Options or of electronicutstanding at February 29, 2020 \| $ / shares	1.01
Options exercisable at February 29, 2020 \| $ / shares	$ 1.01

Number of share options (or share units) issued during the current period.

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Weighted average price at which option holders issued shares when converting their stock options into shares.

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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Number of options outstanding, including both vested and non-vested options.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

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Number of share options (or share units) exercised during the current period.

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Shareholders' Equity (Details) - Stock Options [Member] - 2010 Incentive Stock Plan [Member]	3 Months Ended
	Feb. 29, 2020 $ / shares shares
Shares
Options outstanding December 1, 2019 \| shares	147,000
Options issued in the three months ended February 29, 2020 \| shares
Options exercised in the three months ended February 29, 2020 \| shares
Options cancelled in the three months ended February 29, 2020 \| shares
Options or of electronicutstanding at February 29, 2020 \| shares	147,000
Options exercisable at February 29, 2020 \| shares	147,000
Weighted Average Exercise Price
Options outstanding December 1, 2019 \| $ / shares	$ 1.01
Options issued in the three months ended February 29, 2020 \| $ / shares
Options exercised in the three months ended February 29, 2020 \| $ / shares
Options cancelled in the three months ended February 29, 2020 \| $ / shares
Options or of electronicutstanding at February 29, 2020 \| $ / shares	1.01
Options exercisable at February 29, 2020 \| $ / shares	$ 1.01