Condensed Consolidated Statements of Operations (Unaudited) (USD $)	3 Months Ended		6 Months Ended
	Mar. 31, 2013	Apr. 01, 2012	Mar. 31, 2013	Apr. 01, 2012
Income Statement [Abstract]
Total revenues	$ 102,000		$ 196,000
Cost of revenues	44,000		81,000
General and administrative expense	2,320,000	1,094,000	4,290,000	2,206,000
Research and development expense	1,799,000	1,504,000	3,464,000	2,950,000
Total operating expenses	4,163,000	2,598,000	7,835,000	5,156,000
Loss from operations	(4,061,000)	(2,598,000)	(7,639,000)	(5,156,000)
Interest expense	(3,806,000)	(1,470,000)	(5,793,000)	(3,139,000)
Gain (loss) from change in fair value of derivative Liability	(466,000)	(141,160,000)	4,481,000	(16,470,000)
Other income (expense), net	(64,000)	1,000	(63,000)	2,000
Loss from continuing operations before provision for income taxes	(8,397,000)	(18,227,000)	(9,014,000)	(24,763,000)
Provision for income taxes	(3,000)		(3,000)
Loss from continuing operations	(8,400,000)	(18,227,000)	(9,017,000)	(24,766,000)
Loss from discontinued operations (net of $0 tax)	(1,191,000)	(848,000)	(2,738,000)	(2,559,000)
Gain on disposal of discontinued operations (net of $0 tax)		7,748,000		7,748,000
Net earnings (loss) from discontinued operations (net of $0 tax)	(1,191,000)	6,900,000	(2,738,000)	5,189,000
Net loss	$ (9,591,000)	$ (11,327,000)	$ (11,755,000)	$ (19,577,000)
Basic and diluted net loss per common share
Loss from continuing operations	$ (0.05)	$ (0.15)	$ (0.06)	$ (0.21)
Earnings (loss) from discontinued operations	$ (0.01)	$ 0.05	$ (0.02)	$ 0.04
Net loss per share, basic and diluted	$ (0.06)	$ (0.10)	$ (0.08)	$ (0.17)
Weighted average number of common shares outstanding, basic and diluted	153,688,000	119,037,000	147,541,000	116,376,000