Nature of Business and Basis of Presentation (Tables)

9 Months Ended

Jul. 31, 2012

Nature of Business and Basis of Presentation [Abstract]

Percent of customer consolidated revenues [Table Text Block]

The percent of consolidated revenues from each customer is presented below.

	Three Months Ended July 31,				Nine Months Ended July 31,
	2012		2011		2012		2011
POSCO Energy	72	%	34	%	72	%	49	%
BioFuels Fuel Cells, LLC	1	%	19	%	—	%	16	%
UTS BioEnergy, LLC	—	%	15	%	2	%	6	%
U.S. Government	9	%	6	%	7	%	7	%
Combined	82	%	74	%	81	%	78	%

Schedule of Comprehensive Income (Loss) [Table Text Block]

Comprehensive loss for the periods presented was as follows:

	Three Months Ended July 31,						Nine Months Ended July 31,
	2012			2011			2012			2011
Net loss	$	(10,010	)	$	(7,830	)	$	(24,387	)	$	(38,845	)
Foreign currency translation adjustments	(78		)	—			(80		)	4
Comprehensive loss	$	(10,088	)	$	(7,830	)	$	(24,467	)	$	(38,841	)