Note 18 - Segment Information - Segment Reporting Information (Details) - USD ($)	12 Months Ended
	Nov. 30, 2023		Nov. 30, 2022
Revenue from external customers	$ 30,280,957		$ 25,646,152
Gross profit	8,583,882		6,938,656
Income (loss) from operations	1,531,241		604,718
Total Assets	24,402,114		23,948,314
Capital expenditures (1)	841,784		1,669,481
Depreciation, Depletion and Amortization	804,820		661,018
Operating Segments [Member]
Revenue from external customers	30,281,000		25,646,000
Gross profit	8,584,000		6,939,000
Income (loss) from operations	1,531,000		605,000
Income (loss) before tax	1,089,000		441,000
Total Assets	23,347,000		21,288,000
Capital expenditures (1)	877,000	[1]	2,201,000	[2]
Depreciation, Depletion and Amortization	805,000		661,000
Operating Segments [Member] | Agricultural Products [Member]
Revenue from external customers	22,467,000		20,912,000
Gross profit	6,584,000		6,444,000
Income (loss) from operations	664,000		1,205,000
Income (loss) before tax	140,000		923,000
Total Assets	20,754,000		18,459,000
Capital expenditures (1)	682,000	[1]	1,969,000	[2]
Depreciation, Depletion and Amortization	521,000		468,000
Operating Segments [Member] | Modular Buildings [Member]
Revenue from external customers	7,814,000		4,734,000
Gross profit	2,000,000		495,000
Income (loss) from operations	867,000		(600,000)
Income (loss) before tax	949,000		(482,000)
Total Assets	2,593,000		2,829,000
Capital expenditures (1)	195,000	[1]	232,000	[2]
Depreciation, Depletion and Amortization	$ 284,000		$ 193,000

[1] FY 2023 capital expenditures include finance leased assets of $118,000 in the Agricultural Products segment and $17,000 in the Modular Buildings segment.

[2] FY 2022 capital expenditures include finance leased assets of $532,000 in the Agricultural Products segment.