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Note 3 - Stock-based Compensation | 6 Months Ended
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Jun. 30, 2018
Notes to Financial Statements |
Compensation and Employee Benefit Plans [Text Block] | NOTE 3 - STOCK-BASED COMPENSATION The Company had no unvested stock options outstanding as of June 30, 2018 and 2017. Stock option activity during the six months ended June 30 is as follows:
|  |  |  |  |  | Weighted- |
|  |  |  |  |  | average |
|  | Shares |  |  | Exercise Price |
|  | 2018 |  |  | Per Share |
Outstanding, January 1 |  |  | 19,750 |  |  | $ | 20.94 |
Exercised |  |  | (6,000 | ) |  |  | 23.00 |
Outstanding, June 30 |  |  | 13,750 |  |  | $ | 20.05 |
Exercisable, June 30 |  |  | 13,750 |  |  | $ | 20.05 |
The following table presents the activity during the six months ended June 30, 2018 related to awards of restricted stock:
|  |  |  |  |  | Weighted- |
|  |  |  |  |  | average |
|  |  |  |  |  | Grant Date Fair |
|  | Shares |  |  | Value Per Share |
Nonvested at January 1, 2018 |  |  | 14,601 |  |  | $ | 35.14 |
Granted |  |  | 9,952 |  |  |  | 48.20 |
Forfeited |  |  | (223 | ) |  |  | 35.31 |
Vested |  |  | (3,905 | ) |  |  | 33.61 |
Nonvested at June 30, 2018 |  |  | 20,425 |  |  | $ | 41.80 |
Expected to vest at June 30, 2018 |  |  | 10,473 |  |  | $ | 35.71 |
The Company recognizes restricted stock forfeitures in the period they occur. Share-based compensation expense of $91,000 and $45,000 was recognized for the three -month periods ended June 30, 2018 and 2017, respectively. Share-based compensation expense of $136,000 and $90,000 was recognized for the six -month periods ended June 30, 2018 and 2017, respectively. The expected remaining compensation expense that will be recognized on restricted stock totals $141,000, of which $70,000 will be recognized in 2018 and $71,000 will be recognized in 2019.

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -URI http://asc.fasb.org/topic&trid=2228938 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 712 -URI http://asc.fasb.org/topic&trid=2197446 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 710 -URI http://asc.fasb.org/topic&trid=2127225 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -URI http://asc.fasb.org/topic&trid=2235017 + Details
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