Accrued Expenses (Details) - Schedule of accrued expenses - USD ($)	Aug. 31, 2020	Nov. 30, 2019
Schedule of accrued expenses [Abstract]
Commissions	$ 238,188	$ 233,784
Preferred stock dividends	151,569	146,569
Other accrued expenses	167,257	200,848
Total	$ 557,014	$ 581,201