Consolidated Statements Of Cash Flows (USD $) In Thousands	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (13,982)	$ (4,505)
Income (loss) from discontinued operations	(17)	136
Net loss from continuing operations	(13,965)	(4,641)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization	148	166
Abandoned patent write-off		466
Foreign currency exchange	(558)	1,155
Non-cash compensation expense	528	1,299
Non-cash loss in equity method investee	12,286	2,845
Changes in assets and liabilities:
Accounts receivable	451	2,899
Accounts receivable from Dynamic Fuels, LLC	(1,449)	(48)
Other assets	(30)	106
Accounts payable	(979)	(18)
Accrued liabilities and other	467	212
Deferred revenue		(3,217)
Net cash provided by (used in) continuing operations	(3,101)	1,224
Net cash used in discontinued operations	(18)	(281)
Net cash provided by (used in) operating activities	(3,119)	943
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of property and equipment	(37)	(14)
Investment in and loans to Dynamic Fuels, LLC	(4,500)	(10,000)
Net cash used in investing activities	(4,537)	(10,014)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from sale of common stock, warrants and option exercises	35	191
Proceeds from sale of common stock	23,538
Proceeds from common stock purchase agreement		4,695
Net cash provided by financing activities	23,573	4,886
NET CHANGE IN CASH AND CASH EQUIVALENTS	15,917	(4,185)
CASH AND CASH EQUIVALENTS, beginning of period	12,513	25,012
CASH AND CASH EQUIVALENTS, end of period	$ 28,430	$ 20,827