Note 17 - Segment Information (Details Textual)	12 Months Ended
	Nov. 30, 2022 USD ($)	Nov. 30, 2021 USD ($)
Number of Reportable Segments	3
Finance Lease, Right-of-Use Asset, after Accumulated Amortization, Total		$ 190,667
Agricultural Products [Member] | Operating Segments [Member] | Property, Plant and Equipment [Member]
Finance Lease, Right-of-Use Asset, after Accumulated Amortization, Total	$ 532,000	142,000
Tools [Member] | Operating Segments [Member] | Property, Plant and Equipment [Member]
Finance Lease, Right-of-Use Asset, after Accumulated Amortization, Total	$ 166,000
Modular Buildings [Member] | Operating Segments [Member] | Property, Plant and Equipment [Member]
Finance Lease, Right-of-Use Asset, after Accumulated Amortization, Total		$ 58,000