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Note 5 - Intangible Assets (Detail) (USD $)	9 Months Ended
Note 5 - Intangible Assets (Detail) (USD $)	Dec. 31, 2012	Dec. 31, 2011
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	7 years 146 days
Amortization of Intangible Assets (in Dollars)	$ 9,206	$ 21,548
Minimum [Member]
Finite-Lived Intangible Asset, Useful Life	3 years
Maximum [Member]
Finite-Lived Intangible Asset, Useful Life	15 years

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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