Note 7 - Intangible Assets (Tables)

12 Months Ended

Mar. 31, 2014

Disclosure Text Block [Abstract]

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

	March 31, 2014								March 31, 2013
	Cost		Weighted Average Amortization Period (in years)	Accumulated Amortization			Net Carrying Amount		Cost		Weighted Average Amortization Period (in years)	Accumulated Amortization			Net Carrying Amount
Patents & Trademarks	$	82,702	15	$	(66,331	)	$	16,371	$	82,702	15	$	(64,369	)	$	18,333
Formulas		25,446	15		(25,446	)		-		25,446	15		(6,291	)		19,155
Non-Compete Agreement		50,000	7		(50,000	)		-		50,000	7		(32,738	)		17,262
Customer List		10,000	3		(10,000	)		-		10,000	3		(10,000	)		-
	$	168,148		$	(151,777	)	$	16,371	$	168,148		$	(113,398	)	$	54,750

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

For the Fiscal Years Ending March 31, :
	2015	$	1,939
	2016		1,396
	2017		1,396
	2018		1,396
	2019		1,396
	Thereafter		8,848
		$	16,371