Note 9 - Net Income (Loss) Per Share (Tables)

6 Months Ended

Apr. 30, 2021

Notes Tables

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

	Three months ended					Six months ended
	April 30,					April 30,
	2021		2020			2021		2020
Net income (loss) (numerator)	$	3,385,159	$	(1,689,181	)	$	1,243,679	$	(4,281,069	)
Shares (denominator)		7,536,116		7,350,427			7,536,121		7,351,897
Basic and diluted net income (loss) per share	$	0.45	$	(0.23	)	$	0.17	$	(0.58	)