Note 5 - Inventories (Details Textual) $ in Thousands	2 Months Ended
	Dec. 16, 2022 USD ($) lb	Oct. 31, 2022 lb
Inventory, Balance , Mass (Pound)		766,000
Subsequent Event [Member]
Inventory, Increase from Purchases, Mass (Pound)	600,000
Payments to Acquire Inventory | $	$ 21,510
Inventory, Decrease From Sales, Mass (Pound)	500,000
Proceeds From Sale of Inventory | $	$ 25,185