Note 14 - Salary Continuation Plan (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2015	Dec. 31, 2014
Note 14 - Salary Continuation Plan (Details) [Line Items]
Salary Continuation Plan Lifetime Payment Percentage	20.00%
Salary Continuation Plan Base Salary Period	5 years
Salary Continuation Plan Lifetime Payment Percentage Additional Benefit	20.00%
Salary Continuation Plan Base Salary Period Additional Benefit	5 years
Supplemental Executive Retirement Plan [Member]
Note 14 - Salary Continuation Plan (Details) [Line Items]
Deferred Compensation Liability, Current and Noncurrent	$ 315	$ 129

No definition available.

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- Definition

Period of time immediately prior to the retirement of a participant that will be used to determine the average base salary of the participant for calculations under a salary continuation plan.

+ References

No definition available.

+ Details

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- Definition

Period of time immediately prior to the retirement of a participant that will be used to determine the average base salary of the participant for calculations related to an additional benefit if certain performance targets are met under a salary continuation plan.

+ References

No definition available.

+ Details

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- Definition

The percentage of a participant’s average annual base salary for the five years immediately prior to retirement which will be provided as lifetime payments to the participant.

+ References

No definition available.

+ Details

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- Definition

The percentage of a participant’s average annual base salary for the five years immediately prior to retirement which will be provided as an additional benefit on top of lifetime payments already being made to the participant if certain performance targets are met.

+ References

No definition available.

+ Details

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- Definition

Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements. Represents currently earned compensation under compensation arrangements that is not actually paid until a later date.

+ References

No definition available.

+ Details

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