Note 6 - Intangible Assets (Tables)

12 Months Ended

Mar. 31, 2015

Notes Tables

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

	March 31, 2015									March 31, 2014
	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	$	(68,221	)	$	14,481	$	82,702		15	$	(66,331	)	$	16,371
Formulas		25,446		15		(25,446	)		-		25,446		15		(25,446	)		-
Non-Compete Agreement		50,000		7		(50,000	)		-		50,000		7		(50,000	)		-
Customer List		10,000		3		(10,000	)		-		10,000		3		(10,000	)		-
	$	168,148			$	(153,667	)	$	14,481	$	168,148			$	(151,777	)	$	16,371

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

For the fiscal years ended March 31,:
2016		1,396
2017		1,396
2018		1,396
2019		1,396
2020		1,396
Thereafter		7,501
	$	14,481