Shareholders' Equity (Details) (USD $)	3 Months Ended			9 Months Ended
	Jul. 31, 2014	Jan. 31, 2014	Jul. 31, 2013	Jul. 31, 2014	Jul. 31, 2013	Jul. 30, 2014	Jan. 23, 2014	Oct. 31, 2013	Jun. 25, 2013
Debt Conversion, Original Debt, Amount	$ 38,000,000
Senior Unsecured Convertible Notes	0			0				38,000,000	38,000,000
Stock Issued During Period, Shares, Conversion of Convertible Securities				24,516,141
Stock Issued During Period, Shares, Conversion of Convertible Securities, Debt Obligation				5,514,272
Stock Issued During Period, Shares, Other				250,611
Common stock issued relating to full exercise of an over allottment option							3,300,000
Price Per Share for New Common Stock Issuance						$ 2.39	$ 1.25
Stock Issued During Period, Shares, New Issues	14,644,352	25,300,000
Class of Warrant or Right, Number of Securities Called by Warrants or Rights	2,000,000			2,000,000
Class of Warrant or Right, Exercise Price of Warrants or Rights	$ 3.35			$ 3.35
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stockholders' equity (decifit), Including Portion Attributable to Noncontrolling Interest		(13,192,000)		(13,192,000)
Stock Issued During Period, Value, Conversion of Convertible Securities				33,303,000	0
Stock Issued During Period, Value, Other				12,883,000
Stock Granted During Period, Value, Share-based Compensation, Net of Forfeitures				2,182,000
Stock Issued During Period, Value, New Issues				99,218,000
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures				(1,087,000)
Dividends, Preferred Stock	(800,000)		(800,000)	(2,400,000)	(2,400,000)
Foreign currency translation adjustments	(43,000)		(8,000)	67,000	13,000
Net Loss	(7,139,000)		(5,814,000)	(33,993,000)	(25,322,000)
Stockholders' equity (deficit), Including Portion Attributable to Noncontrolling Interest	96,981,000			96,981,000
Proceeds from Issuance of Common Stock	35,000,000			99,728,000	(20,000)
Common Stock, Capital Shares Reserved for Future Issuance	5,000,000			5,000,000
Class of Warrant or Right, Unissued	1,250,000			1,250,000
number of tranches of warrants	2			2
Class of Warrant or Right, Outstanding	3,750,000			3,750,000
Class of Warrant or Right, Weighted Average Strike Price of Warrants or Rights Outstanding	$ 2.08			$ 2.08
Public stock offering [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Proceeds from Issuance of Common Stock	29,500,000
Parent [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stockholders' equity (decifit), Including Portion Attributable to Noncontrolling Interest		(12,412,000)		(12,412,000)
Stock Issued During Period, Value, Conversion of Convertible Securities				33,303,000
Stock Issued During Period, Value, Other				12,883,000
Stock Granted During Period, Value, Share-based Compensation, Net of Forfeitures				2,182,000
Stock Issued During Period, Value, New Issues				99,218,000
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures				(1,087,000)
Dividends, Preferred Stock				(2,400,000)
Foreign currency translation adjustments				67,000
Net Loss				(33,425,000)
Stockholders' equity (deficit), Including Portion Attributable to Noncontrolling Interest	98,329,000			98,329,000
Noncontrolling Interest [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stockholders' equity (decifit), Including Portion Attributable to Noncontrolling Interest		(780,000)		(780,000)
Net Loss				(568,000)
Stockholders' equity (deficit), Including Portion Attributable to Noncontrolling Interest	(1,348,000)			(1,348,000)
Common Stock [Member] | Common Stock [Member]
Stock Issued During Period, Shares, New Issues				16,472,300
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Proceeds from Issuance of Common Stock				$ 34,700,000