Note 3 - Inventories (Details Textual)		3 Months Ended
	Dec. 14, 2021 USD ($) lb	Jan. 31, 2022 USD ($)	Oct. 31, 2021 USD ($) lb	Oct. 31, 2020 USD ($)
Increase (Decrease) in Inventories, Total | $			$ 7,044,940	$ (0)
Uranium Inventory [Member]
Increase in Purchase Obligations, Mass (Pound)			400,000
Inventory, Increase from Purchases, Mass (Pound)			200,000
Uranium Inventory [Member] | Forecast [Member]
Revenues, Total | $		$ 13,146,000
Uranium Inventory [Member] | Subsequent Event [Member]
Inventory, Increase from Purchases, Mass (Pound)	400,000
Increase (Decrease) in Inventories, Total | $	$ 12,885,000
Inventory, Sold During Period, Mass (Pound)	300,000