Note 5 - Intangible Assets

3 Months Ended

Jun. 30, 2013

Disclosure Text Block [Abstract]

Intangible Assets Disclosure [Text Block]

NOTE 5 - INTANGIBLE ASSETS 

Intangible assets are being amortized using the straight line method over periods ranging from 3-15 years with a weighted average remaining life of approximately 7.4 years. 

	June 30, 2013								March 31, 2013
	Cost		Weighted Average Amortization Period (years)	Accumulated Amortization			Net Carrying Amount		Cost		Weighted Average Amortization Period (years)	Accumulated Amortization			Net Carrying Amount
Patents & Trademarks	$	82,702	15	$	(64,822	)	$	17,880	$	82,702	15	$	(64,369	)	$	18,333
Formulas		25,446	15		(6,715	)		18,731		25,446	15		(6,291	)		19,155
Non-Compete Agreement		50,000	7		(34,524	)		15,476		50,000	7		(32,738	)		17,262
Customer List		10,000	3		(10,000	)		-		10,000	3		(10,000	)		-
	$	168,148		$	(116,061	)	$	52,087	$	168,148		$	(113,398	)	$	54,750

Amortization expense was $2,663 and $3,565 for the three months ended June 30, 2013 and 2012, respectively.

Estimated aggregate future amortization expense related to intangible assets is as follows:

2014	$	8,166
2015		10,778
2016		6,068
2017		3,092
2018		3,092
Thereafter		20,891
	$	52,087