Note 5 - Intangible Assets

9 Months Ended

Sep. 30, 2011

Intangible Assets Disclosure [Text Block]

Note 5.  Intangible Assets

Identifiable intangible assets consisted of the following as of September 30, 2011 and December 31, 2010:

	September 30, 2011			December 31, 2010
Antimicrobial technology	$	222,187		$	222,187
Licensing agreements		61,391			61,391
Patents, pending and approved		834,301			834,301
Total intangible assets		1,117,879			1,117,879
Less accumulated amortization		(954,639	)		(903,811	)
Intangible assets, net	$	163,240		$	214,068

Amortization expense for intangible assets for each of the three months ended September 30, 2011 and 2010 was $16,943, and was $50,828 for each of the nine months ended September 30, 2011 and 2010.