| **Note 13 - Benfit Plans (Details) - Pension Plan’s Assets Measured at Fair Value on Recurring Basis (USD $)**      | Dec. 31, 2013 | Dec. 31, 2012 |
|----------------------------------------------------------------------------------------------------------------------------|---------------|---------------|
| **Note 13 - Benfit Plans (Details) - Pension Plan’s Assets Measured at Fair Value on Recurring Basis [Line Items]** |          |          |
| Available for sale securities, Total                                                                                       | $ 5,271       | $ 4,822       |
| Debt Securities [Member] | Fair Value, Inputs, Level 1 [Member]                                                            |          |          |
| **Note 13 - Benfit Plans (Details) - Pension Plan’s Assets Measured at Fair Value on Recurring Basis [Line Items]** |          |          |
| Available for sale securities                                                                                              | 591           | 601           |
| Debt Securities [Member] | Fair Value, Inputs, Level 2 [Member]                                                            |          |          |
| **Note 13 - Benfit Plans (Details) - Pension Plan’s Assets Measured at Fair Value on Recurring Basis [Line Items]** |          |          |
| Available for sale securities                                                                                              | 1,181         | 1,158         |
| Debt Securities [Member]                                                                                                   |          |          |
| **Note 13 - Benfit Plans (Details) - Pension Plan’s Assets Measured at Fair Value on Recurring Basis [Line Items]** |          |          |
| Available for sale securities                                                                                              | 1,772         | 1,759         |
| Equity Securities [Member] | Fair Value, Inputs, Level 1 [Member]                                                          |          |          |
| **Note 13 - Benfit Plans (Details) - Pension Plan’s Assets Measured at Fair Value on Recurring Basis [Line Items]** |          |          |
| Available for sale securities                                                                                              | 3,499         | 3,063         |
| Equity Securities [Member]                                                                                                 |          |          |
| **Note 13 - Benfit Plans (Details) - Pension Plan’s Assets Measured at Fair Value on Recurring Basis [Line Items]** |          |          |
| Available for sale securities                                                                                              | 3,499         | 3,063         |
| Fair Value, Inputs, Level 1 [Member]                                                                                       |          |          |
| **Note 13 - Benfit Plans (Details) - Pension Plan’s Assets Measured at Fair Value on Recurring Basis [Line Items]** |          |          |
| Available for sale securities, Total                                                                                       | 4,090         | 3,664         |
| Fair Value, Inputs, Level 2 [Member]                                                                                       |          |          |
| **Note 13 - Benfit Plans (Details) - Pension Plan’s Assets Measured at Fair Value on Recurring Basis [Line Items]** |          |          |
| Available for sale securities, Total                                                                                       | $ 1,181       | $ 1,158       |

| X                                                                                                                                                                                                                    |
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
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| - Definition
Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.
+ References
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|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of investment in debt and equity securities categorized neither as trading securities nor held-to-maturity securities and intended be sold or mature one year or operating cycle, if longer.
+ References
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