Note 17 - Segment Information - Segment Reporting Information (Details) - USD ($)	3 Months Ended		12 Months Ended
	Feb. 28, 2023	Feb. 28, 2022	Nov. 30, 2022
Revenue from external customers	$ 7,894,785		$ 5,613,066
Income (loss) from operations	548,587		(436,876)
Income (loss) from operations	548,587		(436,876)
Total Assets	25,604,508		$ 23,948,314
Capital expenditures	313,657	$ 174,133
Depreciation & Amortization	238,903	167,542
Operating Segments [Member]
Revenue from external customers	7,895,000	5,613,000
Income (loss) from operations	549,000	(437,000)
Income (loss) from operations	549,000	(437,000)
Income (loss) before tax	433,000	(515,000)
Income (loss) before tax	433,000	(515,000)
Total Assets	25,605,000	20,852,000
Capital expenditures	314,000	174,000
Depreciation & Amortization	239,000	168,000
Operating Segments [Member] | Agricultural Products [Member]
Revenue from external customers	5,445,000	4,161,000
Income (loss) from operations	502,000	(129,000)
Income (loss) from operations	502,000	(129,000)
Income (loss) before tax	407,000	(186,000)
Income (loss) before tax	407,000	(186,000)
Total Assets	19,761,000	15,784,000
Capital expenditures	252,000	153,000
Depreciation & Amortization	125,000	101,000
Operating Segments [Member] | Modular Buildings [Member]
Revenue from external customers	1,642,000	868,000
Income (loss) from operations	42,000	(223,000)
Income (loss) from operations	42,000	(223,000)
Income (loss) before tax	36,000	(230,000)
Income (loss) before tax	36,000	(230,000)
Total Assets	3,291,000	2,695,000
Capital expenditures	44,000	14,000
Depreciation & Amortization	77,000	34,000
Operating Segments [Member] | Tools [Member]
Revenue from external customers	808,000	584,000
Income (loss) from operations	5,000	(85,000)
Income (loss) from operations	5,000	(85,000)
Income (loss) before tax	(10,000)	(99,000)
Income (loss) before tax	(10,000)	(99,000)
Total Assets	2,553,000	2,373,000
Capital expenditures	18,000	7,000
Depreciation & Amortization	$ 37,000	$ 33,000