Note 10 - Segment Reporting (Tables)

12 Months Ended

Jul. 28, 2012

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

FISCAL YEAR ENDED JULY 28, 2012	POWER CONVERSION GROUP		OTHER			TOTAL
Net sales to external customers	$	11,438	$	-		$	11,438
Cost of sales		7,826		-			7,826
Gross margin		3,612		-			3,612
Selling, general and administrative		2,704		3,705			6,409
Research and development		161		-			161
Total operating expenses		2,865		3,705			6,570
Operating income (loss)	$	747	$	(3,705	)		(2,958	)
Interest income							238
Interest expense							(153	)
Other income							13
Income from continuing operations before income taxes						$	(2,860	)
Depreciation	$	294	$	92		$	386
Segment assets		4,910		47,887			52,797
Capital expenditures		75		-			75

FISCAL YEAR ENDED JULY 30, 2011	POWER CONVERSION GROUP		OTHER			TOTAL
Net sales to external customers	$	10,783	$	-		$	10,783
Cost of sales		7,870		-			7,870
Gross margin		2,913		-			2,913
Selling, general and administrative		2,694		1,600			4,294
Research and development		103		-			103
Total operating expenses		2,797		1,600			4,397
Operating income (loss)	$	116	$	(1,600	)		(1,484	)
Interest income							105
Interest expense							(132	)
Income from continuing operations, before income taxes						$	(1,511	)
Depreciation	$	303	$			$	303
Segment assets		5,998		57,883			63,881
Capital expenditures		52		--			52

FISCAL YEAR ENDED JULY 31, 2010	POWER CONVERSION GROUP		OTHER			TOTAL
Net sales to external customers	$	12,473	$	--		$	12,473
Cost of sales		8,110		--			8,110
Gross margin		4,363		--			4,363
Selling, general and administrative		2,435		1,236			3,671
Research and development		102		--			102
Total operating expenses		2,537		1,236			3,773
Operating income (loss)	$	1,826	$	(1,236	)	$	590
Operating income (loss)							11
Interest expense							(232	)
Other income							138
Income from continuing operations, before income taxes						$	507
Depreciation	$	216	$	69		$	285
Segment assets		6,947		32,082			39,029
Capital expenditures		568		--			568

Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block]

	JULY 28, 2012				JULY 30, 2011				JULY 31, 2010
United States	$	10,291	90	%	$	9,357	87	%	$	11,500	92	%
Canada		85	1	%		81	1	%		50	0	%
Europe		374	3	%		666	6	%		306	3	%
Far East		392	3	%		635	6	%		548	4	%
Africa, Middle East and Australia		296	3	%		44	0	%		69	1	%
	$	11,438	100	%	$	10,783	100	%	$	12,473	100	%