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Note 3 - Stock-based Compensation | 3 Months Ended
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Mar. 31, 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 March 31, 2018 and 2017. Stock option activity during the three months ended March 31 is as follows:
|  |  |  |  |  | Weighted- |
|  |  |  |  |  | average |
|  |  |  |  |  | Exercise Price |
|  | Shares |  |  | Per Share |
Outstanding, January 1, 2018 |  |  | 19,750 |  |  | $ | 20.94 |
Exercised |  |  | (1,500 | ) |  |  | 23.00 |
Outstanding, March 31, 2018 |  |  | 18,250 |  |  | $ | 20.78 |
Exercisable, March 31, 2018 |  |  | 18,250 |  |  | $ | 20.78 |
The following table presents the activity during the three months ended March 31, 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 |  |  | - |  |  |  | - |
Forfeited |  |  | - |  |  |  | - |
Nonvested at March 31, 2018 |  |  | 14,601 |  |  | $ | 35.14 |
Expected to vest at March 31, 2018 |  |  | 14,601 |  |  | $ | 35.14 |
Share-based compensation expense of $55,000 and $48,000 was recognized for the three -month periods ended March 31, 2018 and 2017, respectively. The expected remaining compensation expense that will be recognized on restricted stock totals $199,000, of which $127,000 will be recognized in 2018 and $72,000 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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