Shareholders' Equity (Deficit) (Details) (USD $)	3 Months Ended		9 Months Ended
	Jul. 31, 2012	Jul. 31, 2011	Jul. 31, 2012	Jul. 31, 2011	Apr. 30, 2012	Mar. 27, 2012
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest			$ (14,375,000)
Stock Issued During Period, Value, New Issues			64,003,000
Stock Granted During Period, Value, Share-based Compensation, Net of Forfeitures			1,517,000
Common Stock Issued in Settlement of Prior Year Bonus Obligation			550,000	707,000
Stock Issued During Period, Value, Employee Benefit Plan			(2,000)
Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests			954,000
Dividends, Preferred Stock	(800,000)	(800,000)	(2,401,000)	(2,400,000)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax	(78,000)	0	(80,000)	4,000
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	(10,010,000)	(7,830,000)	(24,387,000)	(38,845,000)
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	25,779,000		25,779,000
New Common Stock Issuance					20,000,000	23,000,000
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
Proceeds Received for New Common Stock Issuance					30,000,000	32,000,000
Date Payment Received from Sale of Stock					May 02, 2012
Stock Issued During Period, Shares, New Issues			2,012,306
Total Shareholders' Equity (Deficit) [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock Issued During Period, Value, New Issues			64,003,000
Stock Granted During Period, Value, Share-based Compensation, Net of Forfeitures			1,517,000
Common Stock Issued in Settlement of Prior Year Bonus Obligation			550,000
Stock Issued During Period, Value, Employee Benefit Plan			(2,000)
Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests			0
Dividends, Preferred Stock			(2,401,000)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax			(80,000)
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest			(24,157,000)
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	25,979,000	(13,451,000)	25,979,000	(13,451,000)
Noncontrolling Interest [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock Issued During Period, Value, New Issues			0
Stock Granted During Period, Value, Share-based Compensation, Net of Forfeitures			0
Common Stock Issued in Settlement of Prior Year Bonus Obligation			0
Stock Issued During Period, Value, Employee Benefit Plan			0
Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests			954,000
Dividends, Preferred Stock			0
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax			0
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest			(230,000)
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	(200,000)	(924,000)	(200,000)	(924,000)
Common Stock [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock Issued During Period, Value, New Issues			$ 2,000,000