Annual report pursuant to section 13 and 15(d)

Consolidated Statements of Stockholders' Equity (Deficit) (Parenthetical)

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Consolidated Statements of Stockholders' Equity (Deficit) (Parenthetical) (USD $)
1 Months Ended 5 Months Ended 8 Months Ended 12 Months Ended 66 Months Ended
Jun. 30, 2011
Dec. 18, 2012
Mar. 28, 2012
Jul. 31, 2013
Jul. 31, 2012
Jul. 31, 2013
Consolidated Statements of Stockholders' Equity (Deficit)            
Public offering on December 17, 2012 and March 28, 2012, issuance costs $ 210,000 $ 504,000 $ 542,500 $ 504,000 $ 542,500 $ 1,046,500