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WARRANTY PROVISIONS (Details) (USD $)	3 Months Ended		6 Months Ended
WARRANTY PROVISIONS (Details) (USD $)	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Estimated return and allowance liabilities at beginning of period	$ 61,481	$ 63,333	$ 219,760	$ 144,021
Costs accrued for new estimated returns and allowances	478,132	441,639	538,064	496,886
Return and allowance obligations honored	(77,226)	(66,604)	(295,437)	(202,539)
Estimated return and allowance liabilities at end of period	$ 462,387	$ 438,368	$ 462,387	$ 438,368

Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers. For classified balance sheets, represents the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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