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Note 14 - Fair Value Measurements (Details) - Assets and Liabilities Measured at Fair Value (USD $)
In Thousands, unless otherwise specified |
Dec. 31, 2012
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| Note 14 - Fair Value Measurements (Details) - Assets and Liabilities Measured at Fair Value [Line Items] | |
| Certificates of Deposit | $ 250 |
| Total investments at fair value | 250 |
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Fair Value, Inputs, Level 1 [Member]
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| Note 14 - Fair Value Measurements (Details) - Assets and Liabilities Measured at Fair Value [Line Items] | |
| Certificates of Deposit | 250 |
| Total investments at fair value | $ 250 |