Note 1 - Summary of Significant Accounting Policies (Tables)

12 Months Ended

Nov. 30, 2021

Notes Tables

Schedule of Sales-type Leases [Table Text Block]

	November 30, 2020
Minimum lease receivable, current	$	29,002
Unearned interest income, current		(650	)
Net investment in sales-type leases, current	$	28,352

Lessee, Operating Leases, Assets and Liabilities [Table Text Block]

	November 30, 2021		November 30, 2020
Operating lease right-of-use assets (in other assets)	$	47,794		27,879
Current portion of operating lease liabilities (in accrued expenses)	$	12,863		9,537
Long-term portion of operating lease liabilities		34,931		18,342
Total operating lease liabilities	$	47,794		27,879

Lessee, Operating Lease, Liability, Maturity [Table Text Block]

2022	14,914
2023	12,344
2024	11,162
2025	9,532
2026	4,765
Total lease payments	52,717
Less imputed interest	(4,924	)
Total operating lease liabilities	47,794

Lessee, Finance Leases, Assets and Liabilities [Table Text Block]

	November 30, 2021
Finance lease right-of-use assets (net of amortization in other assets)	$	190,667
	$	190,667
Current portion of finance lease liabilities (in accrued expenses)	$	48,591
Long-term portion of finance lease liabilities		142,386
Total finance lease liabilities	$	190,977

Finance Lease, Liability, Fiscal Year Maturity [Table Text Block]

2022	$	56,646
2023		56,646
2024		68,029
2025		14,203
2026		12,618
Total lease payments		208,142
Less imputed interest		(17,165	)
Total finance lease liabilities	$	190,977

Disaggregation of Revenue [Table Text Block]

	Twelve Months Ended November 30, 2021
	Agricultural		Modular Buildings		Tools		Total
Farm equipment	$	13,630,000	$	-	$	-	$	13,630,000
Farm equipment service parts		2,799,000		-		-		2,799,000
Steel cutting tools and inserts		-		-		2,440,000		2,440,000
Modular buildings		-		5,382,000		-		5,382,000
Modular building lease income		-		-		-		-
Other		397,000		296,000		21,000		714,000
	$	16,826,000	$	5,678,000	$	2,461,000	$	24,965,000

	Twelve Months Ended November 30, 2020
	Agricultural		Modular Buildings		Tools		Total
Farm equipment	$	10,149,000	$	-	$	-	$	10,149,000
Farm equipment service parts		2,519,000		-		-		2,519,000
Steel cutting tools and inserts		-		-		2,308,000		2,308,000
Modular buildings		-		6,517,000		-		6,517,000
Modular building lease income		-		318,000		-		318,000
Other		417,000		158,000		23,000		598,000
	$	13,085,000	$	6,993,000	$	2,331,000	$	22,409,000

Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block]

	November 30, 2021		November 30, 2020
Receivables	$	2,663,000	$	2,391,000
Assets		177,000		56,000
Liabilities		559,000		474,000

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

	For the Twelve Months Ended
	November 30, 2021		November 30, 2020
Numerator for basic and diluted net income (loss) per share:
Net income (loss)	$	212,631	$	(2,103,486	)
Denominator:
For basic net income (loss) per share - weighted average common shares outstanding		4,515,229		4,393,887
Effect of dilutive stock options		-		-
For diluted net income (loss) per share - weighted average common shares outstanding		4,515,229		4,393,887
Net Income (Loss) per share - Basic:
Net Income (Loss) per share	$	0.05	$	(0.48	)
Net Income (Loss) per share - Diluted:
Net Income (Loss) per share	$	0.05	$	(0.48	)