|
Significant Accounting Policies (Details 2) (USD $)
|
12 Months Ended | 54 Months Ended | |
|---|---|---|---|
|
Jul. 31, 2012
|
Jul. 31, 2011
|
Jul. 31, 2012
|
|
| Stock options to non-employees | |||
| Stock-based compensation expense recognized | $ 249,000 | $ 83,000 | $ 332,000 |
|
Research and development expense | Non-employees
|
|||
| Stock options to non-employees | |||
| Stock-based compensation expense recognized | 25,000 | ||
|
General and administrative expense | Non-employees
|
|||
| Stock options to non-employees | |||
| Stock-based compensation expense recognized | $ 133,000 | ||
| X | ||||||||||
|
- Details
|
| X | ||||||||||
|
- Definition
The amount of expense reported during the period resulting from the transaction in which equity securities were issued to pay for goods or nonemployee services. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|