Note 1 - Summary of Significant Accounting Policies (Tables)

12 Months Ended

Nov. 30, 2019

Notes Tables

Disaggregation of Revenue [Table Text Block]

	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

	Twelve Months Ended November 30, 2018
	Agricultural		Modular Buildings		Tools		Total
Farm equipment	$	11,149,000	$	-	$	-	$	11,149,000
Farm equipment service parts		2,735,000		-		-		2,735,000
Steel cutting tools and inserts		-		-		2,239,000		2,239,000
Modular buildings		-		2,271,000		-		2,271,000
Modular building lease income		-		373,000		-		373,000
Revenue from sales-type leases		-		427,000		-		427,000
Other		460,000		38,000		35,000		533,000
	$	14,344,000	$	3,109,000	$	2,274,000	$	19,727,000

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

	November 30, 2019		November 30, 2018
Receivables	$	115,000	$	159,000
Assets		727,000		99,000
Liabilities		89,000		185,000

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

	Twelve Months Ended
	November 30, 2019			November 30, 2018
Numerator for basic and diluted net income (loss) per share:
Net income (loss) from continuing operations	$	(1,419,586	)	$	(3,336,049	)
Net income (loss) from discontinued operations		-			(50,853	)
Net income (loss)	$	(1,419,586	)	$	(3,386,902	)
Denominator:
For basic net income (loss) per share - weighted average common shares outstanding		4,277,375			4,202,836
Effect of dilutive stock options		-			-
For diluted net income (loss) per share - weighted average common shares outstanding		4,277,375			4,202,836
Net Income (Loss) per share - Basic:
Continuing Operations	$	(0.33	)	$	(0.80	)
Discontinued Operations	$	-		$	(0.01	)
Net Income (Loss) per share	$	(0.33	)	$	(0.81	)
Net Income (Loss) per share - Diluted:
Continuing Operations	$	(0.33	)	$	(0.80	)
Discontinued Operations	$	-		$	(0.01	)
Net Income (Loss) per share	$	(0.33	)	$	(0.81	)