|
Note 5 - Securities Available-for-Sale (Details) - Amortized Cost and Estimated Fair Value of Securities (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | |
|---|---|---|
|
Dec. 31, 2013
|
Dec. 31, 2014
|
|
| Note 5 - Securities Available-for-Sale (Details) - Amortized Cost and Estimated Fair Value of Securities [Line Items] | ||
| Amortized cost | $ 33,311 | $ 18,572 |
| Unrealized Gain | 4 | |
| Unrealized Loss | (5) | |
| Estimated Fair Value | 33,310 | 18,572 |
| Within One Year [Member] | ||
| Note 5 - Securities Available-for-Sale (Details) - Amortized Cost and Estimated Fair Value of Securities [Line Items] | ||
| Amortized cost | 30,430 | 18,572 |
| Unrealized Gain | 2 | |
| Unrealized Loss | (4) | |
| Estimated Fair Value | 30,428 | 18,572 |
| After One Year [Member] | ||
| Note 5 - Securities Available-for-Sale (Details) - Amortized Cost and Estimated Fair Value of Securities [Line Items] | ||
| Amortized cost | 2,881 | |
| Unrealized Gain | 2 | |
| Unrealized Loss | (1) | |
| Estimated Fair Value | $ 2,882 |