Shareholders' Equity (Details) (USD $)	3 Months Ended		6 Months Ended
	Apr. 30, 2014	Apr. 30, 2013	Apr. 30, 2014	Apr. 30, 2013	Jan. 23, 2014	Oct. 31, 2013	Jun. 25, 2013
Debt Conversion, Original Debt, Amount	$ 37,000,000		$ 37,000,000
Senior Unsecured Convertible Notes	1,000,000		1,000,000			38,000,000	38,000,000
Stock Issued During Period, Shares, Conversion of Convertible Securities			23,870,979
Stock Issued During Period, Shares, Conversion of Convertible Securities, Debt Obligation			5,399,747
Stock Issued During Period, Shares, Other			247,553
Common stock issued relating to full exercise of an over allottment option					3,300,000
Price Per Share for New Common Stock Issuance					$ 1.25
Stock Issued During Period, Shares, New Issues	25,300,000
Class of Warrant or Right, Number of Securities Called by Warrants or Rights	3,750,000		3,750,000
Class of Warrant or Right, Exercise Price of Warrants or Rights	2.08		2.08
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stockholders' equity (decifit), Including Portion Attributable to Noncontrolling Interest			(13,192,000)
Stock Issued During Period, Value, Conversion of Convertible Securities			32,421,000	0
Stock Issued During Period, Value, Other			12,639,000
Stock Granted During Period, Value, Share-based Compensation, Net of Forfeitures			1,327,000
Stock Issued During Period, Value, New Issues			37,231,000
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures			(1,111,000)
Dividends, Preferred Stock	(800,000)	(800,000)	(1,600,000)	(1,600,000)
Foreign currency translation adjustments	130,000	(55,000)	110,000	21,000
Net Loss	(16,039,000)	(7,629,000)	(26,854,000)	(19,508,000)
Stockholders' equity (deficit), Including Portion Attributable to Noncontrolling Interest	40,971,000		40,971,000
Proceeds from Issuance of Common Stock			36,854,000	0
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
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)
Stock Issued During Period, Value, Conversion of Convertible Securities			32,421,000
Stock Issued During Period, Value, Other			12,639,000
Stock Granted During Period, Value, Share-based Compensation, Net of Forfeitures			1,327,000
Stock Issued During Period, Value, New Issues			37,231,000
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures			(1,111,000)
Dividends, Preferred Stock			(1,600,000)
Foreign currency translation adjustments			110,000
Net Loss			(26,447,000)
Stockholders' equity (deficit), Including Portion Attributable to Noncontrolling Interest	42,158,000		42,158,000
Noncontrolling Interest [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stockholders' equity (decifit), Including Portion Attributable to Noncontrolling Interest			(780,000)
Net Loss			(407,000)
Stockholders' equity (deficit), Including Portion Attributable to Noncontrolling Interest	(1,187,000)		(1,187,000)
Common Stock [Member] | Common Stock [Member]
Stock Issued During Period, Shares, New Issues			4,387,600
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Proceeds from Issuance of Common Stock			$ 7,700,000