Note 1 - Summary of Significant Accounting Policies (Tables)

12 Months Ended

Nov. 30, 2020

Notes Tables

Schedule of Sales-type Leases [Table Text Block]

	November 30, 2020			November 30, 2019
Minimum lease receivable, current	$	29,002		$	162,425
Unearned interest income, current		(650	)		(14,420	)
Net investment in sales-type leases, current	$	28,352		$	148,005
Minimum lease receivable, long-term	$	-		$	5,851
Unearned interest income, long-term		-			(69	)
Net investment in sales-type leases, long-term	$	-		$	5,782

Sales-type and Direct Financing Leases, Lease Receivable, Maturity [Table Text Block]

Year Ending November 30,	Amount
2021		29,002
Total	$	29,002

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

	November 30, 2020
Operating lease right-of-use assets	$	27,879
Current portion of operating lease liabilities	$	9,537
Long-term portion of operating lease liabilities		18,342
Total operating lease liabilities	$	27,879

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

Year Ending November 30,
2021	10,847
2022	10,847
2023	6,911
2024	1,630
Total lease payments	30,236
Less imputed interest	(2,356	)
Total operating lease liabilities	27,879

Disaggregation of Revenue [Table Text Block]

	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

	Twelve Months Ended November 30, 2019
	Agricultural		Modular Buildings		Tools		Total
Farm equipment	$	10,435,000	$	-	$	-	$	10,435,000
Farm equipment service parts		2,638,000		-		-		2,638,000
Steel cutting tools and inserts		-		-		2,086,000		2,086,000
Modular buildings		-		6,460,000		-		6,460,000
Modular building lease income		-		674,000		-		674,000
Other		435,000		126,000		35,000		596,000
	$	13,508,000	$	7,260,000	$	2,121,000	$	22,889,000

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

	November 30, 2020		November 30, 2019
Receivables	$	2,391,000	$	1,680,000
Assets		56,000		727,000
Liabilities		276,000		89,000

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

	For the Twelve Months Ended
	November 30, 2020			November 30, 2019
Numerator for basic and diluted net income (loss) per share:
Net income (loss)	$	(2,103,486	)	$	(1,419,586	)
Denominator:
For basic net income (loss) per share - weighted average common shares outstanding		4,393,887			4,277,375
Effect of dilutive stock options		-			-
For diluted net income (loss) per share - weighted average common shares outstanding		4,393,887			4,277,375
Net Income (Loss) per share - Basic:
Net Income (Loss) per share	$	(0.48	)	$	(0.33	)
Net Income (Loss) per share - Diluted:
Net Income (Loss) per share	$	(0.48	)	$	(0.33	)