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Note 6 - Related Party Notes Payable (Detail) - Related Party Notes Payable (USD $)
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Dec. 31, 2012
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Feb. 02, 2012
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Dec. 31, 2011
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Nov. 30, 2010
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|---|---|---|---|---|
| Related party notes payable - principal | $ 3,000,000 | |||
| Related party notes payable - unamortized discount | (2,775,300) | |||
| Related party notes payable - net | 4,338,601 | 4,338,601 | 4,377,294 | |
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BSC Notes [Member] | Related Party Convertible Notes Payable [Member]
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| Related party notes payable - principal | 4,338,601 | 3,500,000 | ||
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BSC Notes [Member]
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| Related party notes payable - net | 4,338,601 | 3,500,000 | ||
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Summer 2011 Notes [Member] | Related Party Convertible Notes Payable [Member]
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| Related party notes payable - principal | 1,310,000 | |||
| Related party notes payable - unamortized discount | (432,706) | |||
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Summer 2011 Notes [Member]
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| Related party notes payable - net | 877,294 | |||
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Related Party Convertible Notes Payable [Member]
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| Related party notes payable - principal | 4,338,601 | 4,810,000 | ||
| Related party notes payable - unamortized discount | $ (432,706) |