Accrued Expenses (Tables)

3 Months Ended

Feb. 29, 2020

Accrued Expenses [Abstract]

Schedule of accrued expenses

	February 29,		November 30,
	2020		2019
Commissions	$	219,439	$	233,784
Preferred stock dividends		149,069		146,569
Other accrued expenses		154,124		200,848
	$	522,632	$	581,201