Subsequent Events (Details) - USD ($) $ / shares in Units, $ in Thousands			1 Months Ended			3 Months Ended
	Oct. 31, 2013	Oct. 16, 2013	Oct. 23, 2015	Oct. 31, 2013	Aug. 31, 2013	Jul. 31, 2014	Apr. 30, 2014	Jan. 31, 2014	Jul. 31, 2015	Oct. 31, 2014	Dec. 31, 2013
Subsequent Event [Line Items]
Common Stock,Issued						29,394,940			41,859,297	13,470,324
Proceeds from Issuance of Private Placement							$ 1,498,000
Private Placement [Member]
Subsequent Event [Line Items]
Share Price	$ 0.75	$ 0.75		$ 0.75	$ 0.20						$ 0.70
Proceeds from Issuance of Private Placement	$ 324,000	$ 1,782,000		$ 2,106,000	$ 1,057,000	$ 455,000		$ 1,501,000
Private Placement [Member] | Subsequent Event [Member]
Subsequent Event [Line Items]
Common Stock,Issued			13,333,333
Share Price			$ 0.45
Investment Warrants, Exercise Price			$ 0.45
Proceeds from Issuance of Private Placement			$ 6,000
Private Placement [Member] | Subsequent Event [Member] | Five Year Warrant [Member]
Subsequent Event [Line Items]
Warrants To Purchase Common Stock Shares			6,666,666
Warrants Exercise Period			5 years
Private Placement [Member] | Subsequent Event [Member] | Six Month Warrant [Member]
Subsequent Event [Line Items]
Warrants To Purchase Common Stock Shares			8,666,666
Warrants Exercise Period			6 months