| **Note 2 - Long-Term Incentive Plans (Details) (USD $)In Thousands, except Share data in Millions, unless otherwise specified** | 3 Months Ended | 9 Months Ended |          |        | 9 Months Ended | 6 Months Ended | 3 Months Ended | 9 Months Ended | 3 Months Ended |
|---------------------------------------------------------------------------------------------------------------------------------|----------------|----------------|----------|--------|----------------|----------------|----------------|----------------|----------------|
||
| **Note 2 - Long-Term Incentive Plans (Details) [Line Items]**                                                                   |           |           |     |   |           |           |           |           |           |   |   |
| Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant (in Shares)             | 3.5            |           | 3.5      |   |           | 3.0            |           |           |           |   |   |
| Share-based Compensation Arrangement by Share-based Payment Award Option Life                                                   |           |           | 10 years |   |           |           |           |           |           |   |   |
| Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period                                         |           |           |     |   |           |           | 3 years        |           |           |   |   |
| Share-based Compensation                                                                                                        | $ 257          | $ 240          | $ 2,641  | $ 719  |           |           |           | $ 400          | $ 400          | $ 900 | $ 1,300 |
| Number of Positions Reduced                                                                                                     |           |           |     |   | 20             |           |           |           |           |   |   |
| Percentage Share Based Compensation Payable With Common Stock                                                                   |           |           | 65.00%   |   |           |           |           |           |           |   |   |

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Share-based compensation arrangement by share-based payment award option life.
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| - Definition
The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.
+ References
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| - Definition
Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.
+ References
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|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.
+ References
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