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Note 9 - Equity Investment (Details) (MWL [Member], USD $) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011 | Mar. 28, 2013
Note 9 - Equity Investment (Details) [Line Items] |  |  |  |
Equity Method Investment, Ownership Percentage | 45.00% |  |  |
Equity Method Investments |  |  |  | $ 2,600,000
Revenue from Related Parties | 8,200,000 | 9,700,000 | 9,000,000 |
Due from Affiliates | 610,000 |  |  |
Due to Affiliate | 3,900,000 |  |  |
Intersegment Eliminations [Member] |  |  |  |
Note 9 - Equity Investment (Details) [Line Items] |  |  |  |
Revenue, Net | $ 2,100,000 | $ 9,700,000 | $ 9,000,000 |
Percentage Owned By Non-Related Party [Member] |  |  |  |
Note 9 - Equity Investment (Details) [Line Items] |  |  |  |
Equity Method Investment, Ownership Percentage | 55.00% |  |  |

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