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Note 2 - Stock-based Compensation | 3 Months Ended
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Mar. 31, 2016
Disclosure Text Block Supplement [Abstract] |
Compensation and Employee Benefit Plans [Text Block] | NOTE 2 - STOCK-BASED COMPENSATION The Company had no unvested stock options outstanding or unrecognized stock-based compensation costs outstanding as of March 31, 2016 and 2015. Stock option activity during the three months ended March 31 is as follows:
|  |  |  |  |  | Weighted- |  |  |  |  |  |  | Weighted- |
|  |  |  |  |  | average |  |  |  |  |  |  | average |
|  |  |  |  |  | Exercise |  |  |  |  |  |  | Exercise |
|  | 2016 |  |  | Price |  |  | 2015 |  |  | Price |
Outstanding, January 1 |  |  | 31,949 |  |  | $ | 25.03 |  |  |  | 46,451 |  |  | $ | 27.90 |
Exercised |  |  | - |  |  |  | - |  |  |  | (375 | ) |  |  | 17.55 |
Outstanding, March 31 |  |  | 31,949 |  |  | $ | 25.03 |  |  |  | 46,076 |  |  | $ | 27.99 |
Exercisable, March 31 |  |  | 31,949 |  |  | $ | 25.03 |  |  |  | 46,076 |  |  | $ | 27.99 |

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- Definition The entire disclosure for an entity's employee compensation and benefit plans, including, but not limited to, postemployment and postretirement benefit plans, defined benefit pension plans, defined contribution plans, non-qualified and supplemental benefit plans, deferred compensation, share-based compensation, life insurance, severance, health care, unemployment and other benefit plans. + References No definition available. + Details
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- References No definition available. + Details
Name: | us-gaap_DisclosureTextBlockSupplementAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration