Note 3 - Patents (Tables)

12 Months Ended

Dec. 31, 2012

Schedule of Finite-Lived Intangible Assets [Table Text Block]

	2012			2011
Patents	$	158,429		$	154,355
Less: accumulated amortization		(64,329	)		(48,799	)
Patents, net	$	94,100		$	105,556

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

2013	$	15,592
2014		15,592
2015		14,627
2016		11,733
2017		11,733
thereafter		24,823
Total expense	$	94,100