Accrued Expenses (Details) - Schedule of accrued expenses - USD ($)	Feb. 28, 2021	Nov. 30, 2020
Schedule of accrued expenses [Abstract]
Commissions	$ 238,061	$ 215,052
Preferred stock dividends	154,069	151,569
Other accrued expenses	231,413	199,301
Total	$ 623,543	$ 565,922