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Note 12 - Shareholders Equity (Detail) (USD $) In Millions, except Per Share data, unless otherwise specified | 0 Months Ended |  |
--- | --- | --- | ---
Mar. 02, 2012 | Sep. 30, 2012 | Dec. 31, 2011
Common Stock, Par or Stated Value Per Share (in Dollars per share) |  | $ 0.0001 | $ 0.0001
Proceeds from Issuance or Sale of Equity (in Dollars) | $ 4.9 |  |
Capital Units [Member] |  |  |
Sale of Stock, Description of Transaction | 19,600,000 |  |
Number [Member] |  |  |
Sale of Stock, Description of Transaction | ten |  |
Number of New Investors [Member] |  |  |
Sale of Stock, Description of Transaction | Eight |  |
Largest Single Investment [Member] |  |  |
Sale of Stock, Description of Transaction | $1.0 |  |
Unit Price [Member] |  |  |
Common Stock, Par or Stated Value Per Share (in Dollars per share) | $ 0.0001 |  |
Sale of Equity, Unit Price | $0.25 |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights (in Dollars per Item) | 0.54 |  |
Warrant, Period to Purchase, Years [Member] |  |  |
Class of Warrant or Rights, Description | three |  |

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