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Note 2 - Summary of Significant Accounting Policies (Detail) (USD $)
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3 Months Ended | |||
|---|---|---|---|---|
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Jun. 30, 2011
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Jun. 30, 2012
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Nov. 18, 2007
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May 31, 2007
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| Gains (Losses) on Extinguishment of Debt (in Dollars) | $ 209,000 | |||
| Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in Shares) | 3,704,854 | 1,495,952 | 1,759,307 |
| X | ||||||||||
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- Definition
The specified number of securities that each class of warrants or rights outstanding give the holder the right but not the obligation to purchase from the issuer at a specific price, on or before a certain date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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