CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Oct. 31, 2013	Oct. 31, 2012
REVENUE
Products	$ 4,486	$ 4,584
Services	795	802
Net revenue	5,281	5,386
COST OF REVENUE
Products	3,450	3,609
Services	586	472
Cost of revenue	4,036	4,081
Gross profit	1,245	1,305
OPERATING EXPENSE
Selling, general and administrative	1,227	1,273
Other operating expense	3	14
Total operating expense	1,230	1,287
Income from operations	15	18
OTHER INCOME (EXPENSE)
Interest income (expense), net	(72)	42
Impairment of investment	(394)	0
Total other income (expense)	(466)	42
Income (loss) from continuing operations before income taxes	(451)	60
Income tax expense from continuing operations	7	7
Net income (loss) from continuing operations	(458)	53
DISCONTINUED OPERATIONS
Income from discontinued operations	58	82
Net income (loss)	(400)	135
Less: Net income attributable to noncontrolling interest	15	47
Net income (loss) attributable to common shareholders	$ (415)	$ 88
Weighted average shares outstanding
Basic	2,889	2,877
Diluted	2,889	2,877
Basic and diluted income (loss) per share
Continuing operations	$ (0.16)	$ 0.00
Discontinued operations	$ 0.02	$ 0.03
Total	$ (0.14)	$ 0.03