Note 13 - Capital Stock - Continuity Schedule of Outstanding Share Purchase Warrants (Details) - $ / shares	3 Months Ended
	Jan. 31, 2023	Oct. 31, 2022
Balance, Number of Warrants (in shares)	4,837,586	3,615,454
Balance, Weighted Average Exercise Price (in dollars per share)	$ 2.85	$ 1.92
Issuance of Replacement Warrants (Note 3,12), Number of Warrants (in shares)		4,660,580
Issuance of Replacement Warrants (Note 3,12), Weighted Average Exercise Price (in dollars per share)		$ 2.89
Exercised, Number of Warrants (in shares)	(45,000)	(3,410,898)
Exercised, Weighted Average Exercise Price (in dollars per share)	$ 1.46	$ 1.80
Expired, Number of Warrants (in shares)		(27,550)
Expired, Weighted Average Exercise Price (in dollars per share)		$ 1.80
Balance, Number of Warrants (in shares)	4,792,586	4,837,586
Balance, Weighted Average Exercise Price (in dollars per share)	$ 2.93	$ 2.85