Consolidated Statements Of Cash Flows (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (1,101,000)	$ (16,949,000)	$ (9,536,000)
Income (Loss) from discontinued operations	(38,000)	(27,000)	97,000
Loss from continuing operations	(1,063,000)	(16,922,000)	(9,633,000)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization	186,000	200,000	217,000
Abandoned patent write-off			466,000
Foreign currency exchange	296,000	17,000	1,848,000
Non-cash compensation expense	508,000	562,000	1,719,000
Non-cash loss in equity method investee	10,012,000	13,880,000	5,628,000
Non-cash technical services revenue from Dynamic Fuels, LLC	(3,714,000)
Changes in assets and liabilities:
Accounts receivable	(9,000)	431,000	2,609,000
Accounts receivable from Dynamic Fuels, LLC	(524,000)	(1,895,000)	(579,000)
Other assets	(18,000)	(27,000)	(79,000)
Accounts payable	92,000	(870,000)	729,000
Accrued liabilities and other	(217,000)	169,000	(501,000)
Deferred revenue	(9,050,000)	49,000	(3,216,000)
Net cash used in continuing operations	(3,501,000)	(4,406,000)	(792,000)
Net cash used in discontinued operations	(38,000)	(27,000)	(320,000)
Net cash used in operating activities	(3,539,000)	(4,433,000)	(1,112,000)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of property and equipment	(17,000)	(51,000)	(14,000)
Investment in and loans to Dynamic Fuels, LLC	(3,000,000)	(9,000,000)	(21,250,000)
Net cash used in investing activities	(3,017,000)	(9,051,000)	(21,264,000)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from sale of common stock, warrants and option exercises	63,000	23,572,000	9,877,000
Purchase and retirement of restricted stock	(199,000)
Net cash provided by (used in) financing activities	(136,000)	23,572,000	9,877,000
NET CHANGE IN CASH AND CASH EQUIVALENTS	(6,692,000)	10,088,000	(12,499,000)
CASH AND CASH EQUIVALENTS, beginning of year	22,601,000	12,513,000	25,012,000
CASH AND CASH EQUIVALENTS, end of year	15,909,000	22,601,000	12,513,000
NON-CASH INVESTING AND FINANCING ACTIVITIES
Common stock warrants	166,000
Accounts receivable contributed as Investment in Dynamic Fuels, LLC	2,896,000
SUPPLEMENTAL DISCLOSURE
Income taxes paid			$ 281,000