Note 12 - Segment Information (Tables)

3 Months Ended

Feb. 28, 2013

Schedule of Segment Reporting Information, by Segment [Table Text Block]

	Agricultural Products		Pressurized Vessels			Modular Buildings		Consolidated
Revenue from external customers	$	7,004,000	$	394,000		$	1,017,000	$	8,415,000
Income (loss) from operations		561,000		(123,000	)		275,000		713,000
Income (loss) before tax		1,176,000		(176,000	)		261,000		1,261,000
Total Assets		26,697,000		2,707,000			3,328,000		32,732,000
Capital expenditures		139,000		4,000			1,000		144,000
Depreciation & Amortization		151,000		26,000			22,000		199,000

	Agricultural  Products		Pressurized Vessels			Modular Buildings		Consolidated
Revenue from external customers	$	3,988,000	$	330,000		$	1,994,000	$	6,312,000
Income (loss) from operations		136,000		(88,000	)		314,000		362,000
Income (loss) before tax		137,000		(144,000	)		296,000		289,000
Total Assets		20,633,000		2,773,000			4,756,000		28,162,000
Capital expenditures		77,000		14,000			15,000		106,000
Depreciation & Amortization		124,000		29,000			53,000		206,000