Disposition Of A Component Of An Entity (Narrative) (Details) (USD $)	0 Months Ended	12 Months Ended
Mar. 02, 2011	Jul. 31, 2012	Jul. 31, 2011
Disposition Of A Component Of An Entity [Abstract]
Earn out payment period		4 years
Earn out prepayment amount	$ 80,000
Estimated fair value of earn out	580,000
Earn out imputed discount	97,000
Earn out discounted percentage	14.00%
Earn out benefit recorded		70,000	433,000
Historical earn out receipt period used for assessment of future cash flows		12 months
Earn out receivable prepaid expenses		100,000
Earn out receivable long term assets		$ 118,000

Yield on the receivable, on which interest has been imputed, as calculated from its issuance value or purchase price. The calculated effective interest rate considers factors such as the issued face value or price paid for the receivable, the time period between payments, and the time until maturity [full receipt] of the receivable.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Accounting Principles Board Opinion (APB)

-Number 21

-Paragraph 16

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration