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Note 14 - Fair Value (Details)
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12 Months Ended |
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Dec. 31, 2013
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| Fair Value Disclosures [Abstract] | |
| Royalty Payments, Term | 20 years |
| Weighted Average Discount Rate, Percent | 10.80% |
| Incremental Borrowing Rate | 5.80% |
| Payment Risk Premium | 5.00% |