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Fair Value Of Financial Instruments (Tables)
 12 Months Ended
Jul. 31, 2012
Fair Value Disclosures [Abstract]  
Schedule of Derivative Liabilities at Fair Value [Table Text Block]

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Conversion

 

 

 

 

Warrant

 

Feature

 

 

 

 

Liability

 

Liability

 

Total

Beginning balance July 31, 2011

$
0 

 

$
0 

 

$
0 

Issuances

 
297,000 

 

 
33,000 

 

 
330,000 

Adjustments to estimated fair value

 
(11,000)

 

 
0 

 

 
(11,000)

Ending balance July 31,2012

$
286,000 

 

$
33,000 

 

$
319,000