Organization and Business (Details)			1 Months Ended			3 Months Ended			12 Months Ended
	Oct. 31, 2013 USD ($)	Oct. 16, 2013 USD ($)	Oct. 23, 2015 USD ($)	Oct. 31, 2013 USD ($)	Aug. 31, 2013 USD ($)	Jul. 31, 2014 USD ($) $ / shares	Apr. 30, 2014 USD ($)	Jan. 31, 2014 USD ($)	Jul. 31, 2015 USD ($) segment $ / shares	Jul. 31, 2013 USD ($)
Organiztion And Business [Line Items]
Number of Operating Segments | segment									1
Common Stock, Par or Stated Value Per Share | $ / shares						$ 0.01			$ 0.01
Accumulated deficit						$ 81,221,000			$ 88,848,000
Cash and Cash Equivalents, at Carrying Value						86,000			1,321,000	$ 32,000
Liabilities, Current						1,829,000			869,000
Long term debt									$ 0
Proceeds received from private placements							$ 1,498,000,000
Private Placement [Member]
Organiztion And Business [Line Items]
Proceeds received from private placements	$ 324,000,000	$ 1,782,000,000		$ 2,106,000,000	$ 1,057,000,000	$ 455,000,000		$ 1,501,000,000
Private Placement [Member] | Subsequent Event [Member]
Organiztion And Business [Line Items]
Proceeds received from private placements			$ 6,000,000