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Note 9 - Stock-based Compensation
6 Months Ended
Jun. 30, 2016
Notes to Financial Statements  
Disclosure of Compensation Related Costs, Share-based Payments [Text Block]
9.
 
Stock-Based Compensation
 
For the three months ended June 30, 2016 and 2015, the Company’s net income, as reported, includes $0.6 million and $0.9 million, respectively, of stock-based compensation costs and $0.2 and $0.3 million, respectively, of income tax benefits related to the stock-based compensation plans in each of the periods. For the six months ended June 30, 2016 and 2015, the Company’s net income, as reported, includes $3.6 million of stock-based compensation costs and $1.4 million of income tax benefits related to the stock-based compensation plans. During the three months ended June 30, 2015, the Company granted 3,600 restricted stock units. The Company did not issue any restricted stock units during the three months ended June 30, 2016. During the six months ended June 30, 2016 and 2015, the Company granted 337,175 and 318,120 restricted stock units, respectively. The Company has not granted any stock options since 2009.
 
The Company estimated the fair value of stock options using the Black-Scholes valuation model. Key assumptions used to estimate the fair value of stock options included the exercise price of the award, the expected option term, the expected volatility of the Company’s stock price, the risk-free interest rate over the options’ expected term and the annual dividend yield. The Company uses the fair value of the common stock on the date of award to measure compensation cost for restricted stock unit awards. Compensation cost is recognized over the vesting period of the award using the straight line method.
 
The following table summarizes the Company’s restricted stock unit (“RSU”) awards under the 2014 Omnibus Plan and the Prior Plans in the aggregate at or for the six months ended June 30, 2016:
 
    Shares   Weighted-Average Grant-Date Fair Value
                 
Non-vested at December 31, 2015     415,909     $ 18.10  
Granted     337,175       19.85  
Vested     (235,335 )     18.71  
Forfeited     (14,660 )     18.49  
Non-vested at June 30, 2016     503,089     $ 18.98  
                 
Vested but unissued at June 30, 2016     280,450     $ 19.28  
 
As of June 30, 2016, there was $8.2 million of total unrecognized compensation cost related to non-vested full value awards granted under the Omnibus Plan. That cost is expected to be recognized over a weighted-average period of 3.5 years. The total fair value of awards vested for the three months ended June 30, 2015 were $0.8 million. No awards vested during the three months ended June 30, 2016. The total fair value of awards vested for the six months ended June 30, 2016 and 2015 was $4.8 million and $4.9 million, respectively. The vested but unissued RSU awards consist of awards made to employees and directors who are eligible for retirement. According to the terms of these awards, which provide for vesting upon retirement, these employees and directors have no risk of forfeiture. These shares will be issued at the original contractual vesting and settlement dates.
 
The following table summarizes certain information regarding the stock option awards under the Omnibus Plan and the Prior Plans in the aggregate at or for the six months ended June 30, 2016:
 
    Shares   Weighted- Average Exercise Price   Weighted-Average Remaining Contractual Term   Aggregate Intrinsic Value ($000)*
                                 
Outstanding at December 31, 2015     109,130     $ 16.14                  
Granted     -       -                  
Exercised     (27,945 )     17.08                  
Forfeited     -       -                  
Outstanding at June 30, 2016     81,185     $ 15.81       1.9     $ 330  
 
* The intrinsic value of a stock option is the difference between the market value of the underlying stock and the exercise price of the option.
 
Cash proceeds, fair value received, tax benefits, and intrinsic value related to stock options exercised, and the weighted average grant date fair value for options granted, during the three and six months ended June 30, 2016 and 2015 are provided in the following table:
 
    For the three months ended
June 30,
  For the six months ended
June 30,
(In thousands)   2016   2015   2016   2015
Proceeds from stock options exercised   $ 109     $ 142     $ 127     $ 142  
Fair value of shares received upon exercise of stock options     22       -       350       20  
Tax benefit (expense) related to stock options exercised     14       8       (2 )     9  
Intrinsic value of stock options exercised     69       31       112       33  
 
Phantom Stock Plan: The Company maintains a non-qualified phantom stock plan as a supplement to its profit sharing plan for officers who have achieved the designated level and completed one year of service. The Company adjusts its liability under this plan to the fair value of the shares at the end of each period.
The following table summarizes the Phantom Stock Plan at or for the six months ended June 30, 2016:
 
Phantom Stock Plan   Shares   Fair Value
                 
Outstanding at December 31, 2015     79,440     $ 21.64  
Granted     10,905       19.88  
Forfeited     -       -  
Distributions     (1,363 )     20.28  
Outstanding at June 30, 2016     88,982     $ 19.88  
Vested at June 30, 2016     88,667     $ 19.88  
 
The Company recorded stock-based compensation expense (benefit) for the Phantom Stock Plan of ($139,000) and $85,000 for the three months ended June 30, 2016 and 2015, respectively. The total fair value of the distributions from the Phantom Stock Plan was $1,000 for the three months ended June 30, 2015. There were no distributions for the three months ended June 30, 2016.
 
For the six months ended June 30, 2016 and 2015, the Company recorded stock-based compensation expense (benefit) for the Phantom Stock Plan of ($109,000) and $94,000, respectively. The total fair value of the distributions from the Phantom Stock Plan during the six months ended June 30, 2016 and 2015 was $28,000 and $9,000, respectively.