the following is a summary of stock option activity under all plans: During the years ended December 31, 2014, 2013 and 2012, the total intrinsic value of all options exercised (i.e., the difference  between the market price and the price paid by the employees to exercise the options) was approximately $3.4 million, $2.1  million and $2.0 million, respectively, and the total amount of consideration received from the exercise of these options was  approximately $709,000, $416,000 and $506,000, respectively. At its discretion, the Company allows option holders to  surrender previously owned common stock in lieu of paying the exercise price and withholding taxes. During the year ended  December 31, 2014, 32,164 shares (14,931 for options and 17,233 for taxes) were surrendered at an average market price of  $25.42. During the years ended December 31, 2013 and 2012, 26,662 shares were surrendered at an average market price of  $20.54 and 22,161 shares were surrendered at an average market price of $18.01, respectively. During the years ended December 31, 2014, 2013 and 2012, the Company recognized compensation expense related to stock  options granted to directors and employees of approximately $354,000, $214,000 and $133,000, respectively. On February 18, 2014, the Company’s Compensation Committee approved an award of $400,000 payable in shares of the  Company’s common stock to the Company’s Chairman, Chief executive Officer, and president under the 2003 equity Incentive  plan. the shares were issued on December 15, 2014. the Company has recorded compensation expense of $400,000 for the  year ended December 31, 2014. stock compensation expense of $400,000 and $300,000 was recorded in 2013 and 2012,  respectively, for similar awards.  On March 12, 2014, the Company issued 196 shares of unrestricted common stock to a non-employee member of the Company’s  Board of Directors as part of their retainer for serving on the Board. Based upon the closing price of $25.48 on March 12, 2014, the  Company recorded compensation expense of $5,000 associated with the stock issuance for the year ended December 31, 2014.  On June 11, 2014, the Company issued 4,893 shares of unrestricted common stock to the non-employee members of the  Company’s Board of Directors as part of their annual retainer for serving on the Board. Based upon the closing price of $25.04  on June 11, 2014, the Company recorded compensation expense of $122,000 associated with the stock issuance for the year  ended December 31, 2014. the Company recorded compensation expense of $60,000 in 2013 and 2012 for similar awards. the Company grants RsUs to its executive officers. the stock unit awards are subject to various time-based vesting  requirements, and certain portions of these awards are subject to performance criteria of the Company. Compensation expense  on these awards is recorded based on the fair value of the award at the date of grant, which is equal to the Company’s closing  stock price, and is charged to expense ratably during the service period. no compensation expense is taken on awards that do  not become vested, and the amount of compensation expense recorded is adjusted based on management’s determination  of the probability that these awards will become vested. the following table summarizes information about stock unit award  activity during the year ended December 31, 2014: the Company recorded approximately $237,000, $250,000 and $368,000 in compensation expense related to these RsUs  during the years ended December 31, 2014, 2013 and 2012 respectively.  30 weighted average  weighted average  remaining  aggregate  Shares  exercise Price  contractual Life  intrinsic value  under options  (per share)  (in years)  (in thousands) outstanding december 31, 2013  467,500  $ 9.00  — —  Granted 35,193 24.69 — —  exercised (162,586) 4.36 — —  Cancelled or expired  — — — — outstanding december 31, 2014  340,107  $ 12.84  3.83  $ 4,008 exercisable at december 31, 2014  257,608  $ 10.35  3.92  $ 3,675 vested and expected to vest at december 31, 2014  340,107  $ 12.84  3.83  $ 4,008 weighted average restricted Stock units  award date Fair value outstanding at december 31, 2013  50,900   $ 11.94  Awarded 14,441 25.97 shares distributed  (30,253)  10.11 Forfeited/Cancelled — — outstanding at december 31, 2014  35,088   $ 17.87