Shareholders' Equity (Deficit) (Details) (USD $)	1 Months Ended		3 Months Ended		9 Months Ended	12 Months Ended
	Apr. 30, 2012	Mar. 31, 2012	Oct. 31, 2011	Jan. 31, 2011	Jul. 31, 2012	Oct. 31, 2012	Oct. 31, 2011	Oct. 31, 2010	Mar. 27, 2012	Jan. 13, 2011
Stock Issued During Period, Shares, New Issues	20,000,000	23,000,000		10,160,428	2,012,306		3,904,496
Stock Issued During Period, Value, New Issues						$ 64,003,000	$ 32,864,000	$ 32,080,000
Common stock issued relating to full exercise of an over allottment option									3,000,000
Price Per Share for New Common Stock Issuance	$ 1.50								$ 1.50	$ 1.87
Common Stock, Par or Stated Value Per Share			$ 0.0001			$ 0.0001	$ 0.0001			$ 0.0001
common stock share amount for each warrant issued										1.0
Proceeds from Issuance of Common Stock										19,000,000
Class of Warrant or Right, Exercise Price of Warrants or Rights						2.29				2.29
Additional shares required for investor purchase			10,000,000
Proceeds from Issuance of Common Stock	30,000,000	32,000,000	8,700,000	17,800,000		64,003,000	32,930,000	32,104,000
Noncontrolling Interest [Member]
Stock Issued During Period, Value, New Issues						0	0	0
Common Stock [Member]
Stock Issued During Period, Shares, New Issues						45,012,306	24,064,924	27,600,000
Stock Issued During Period, Value, New Issues						5,000	2,000	3,000
Common Stock [Member]
Proceeds from Issuance of Common Stock						$ 2,000,000	$ 6,400,000