Comprehensive Loss

3 Months Ended

Apr. 30, 2012

Stockholders' Equity Note [Abstract]

Comprehensive Loss

4.Comprehensive Loss

Comprehensive loss is defined as the change in equity during a period from transactions and other events and circumstances from non-owner sources, including unrealized gains and losses on marketable securities and foreign currency translation adjustments. For the three and nine months ended April 30, 2012 and 2011, our comprehensive loss consisted only of net loss.