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Note 2 - Stock-based Compensation | 6 Months Ended
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Jun. 30, 2017
Notes to Financial Statements |
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 June 30, 2017 and 2016. Stock option activity during the six months ended June 30 is as follows:
|  |  |  |  |  | Weighted- |  |  |  |  |  |  | Weighted- |
|  |  |  |  |  | average |  |  |  |  |  |  | average |
|  |  |  |  |  | Exercise |  |  |  |  |  |  | Exercise |
|  | 2017 |  |  | Price |  |  | 2016 |  |  | Price |
Outstanding, January 1 |  |  | 29,324 |  |  | $ | 23.67 |  |  |  | 31,949 |  |  | $ | 25.03 |
Exercised |  |  | (7,949 | ) |  |  | 29.87 |  |  |  | - |  |  |  | - |
Outstanding, June 30 |  |  | 21,375 |  |  | $ | 26.91 |  |  |  | 31,949 |  |  | $ | 25.03 |
Exercisable, June 30 |  |  | 21,375 |  |  | $ | 26.91 |  |  |  | 31,949 |  |  | $ | 25.03 |

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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 Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -URI http://asc.fasb.org/topic&trid=2235017 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 712 -URI http://asc.fasb.org/topic&trid=2197446 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 710 -URI http://asc.fasb.org/topic&trid=2127225 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -URI http://asc.fasb.org/topic&trid=2228938 + Details
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