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Condensed Balance Sheets (Parenthetical) - $ / shares	6 Months Ended	12 Months Ended
	May 31, 2019	Nov. 30, 2018
Statement of Financial Position [Abstract]
Ordinary shares, possible redemption value	3,821,622	3,875,458
Preferred shares, par value (in dollars per share)
Preferred shares, shares authorized	Unlimited	Unlimited
Preferred shares, issued
Preferred shares, outstanding
Ordinary shares, par value (in dollars per share)
Ordinary shares, shares authorized	Unlimited	Unlimited
Ordinary shares, issued	1,960,378	1,906,542
Ordinary shares, outstanding	1,960,378	1,906,542

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Face amount per share of no-par value common stock.

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Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

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