Accrued Expenses (Tables)

9 Months Ended

Aug. 31, 2020

Accrued Expenses [Abstract]

Schedule of accrued expenses

	August 31,		November 30,
	2020		2019
Commissions	$	238,188	$	233,784
Preferred stock dividends		151,569		146,569
Other accrued expenses		167,257		200,848
	$	557,014	$	581,201