5. Income Taxes (Tables)

12 Months Ended

Dec. 31, 2012

	December 31,
	2012			2011
Deferred tax assets:
Federal net operating loss carryforward	$	13,493,553		$	12,213,000
Other		538,936			687,000
Patent amortization		(7,707	)		(13,000	)
Deferred tax assets before valuation		14,024,782			12,887,000
Valuation allowance		(14,024,782	)		(12,887,000	)
Net deferred income tax assets	$	—		$	—