

10.	SHAREHOLDERS' EQUITY:

Stock Repurchase Program

On November 14, 2012, the Company's Board of Directors approved a stock repurchase program authorizing the Company to purchase shares of its common stock up to a total purchase price of $50.0 million over the subsequent 12 months. During the years ended December 31, 2013 and 2012, the Company purchased 195,599 and 205,902 shares, respectively, at a cost of approximately $5.5 million and $5.2 million, respectively. The repurchase program ended during the quarter ended December 31, 2013.

On June 2, 2014, the Company's Board of Directors approved an additional stock repurchase program authorizing the Company to purchase shares of its common stock up to a total purchase price of $50.0 million over the subsequent 12 months. Since approval of the program and through December 31, 2014, the Company purchased 956,362 shares, at a cost of approximately $29.5 million.

Scientific Advisory Board, Board of Directors and Employee Awards

In March 2014, 2013 and 2012, respectively, the Company granted a total of 31,301, 22,568 and 16,866 shares of fully vested common stock to employees and non-employee members of the Scientific Advisory Board for services performed in 2013, 2012 and 2011, respectively. The fair value of the shares issued was $749,000, $435,000 and $376,000, respectively, for employees and $323,000, $300,000 and $300,000, respectively, for members of the Board of Directors and non-employee members of the Scientific Advisory Board, which amounts were accrued at December 31, 2013, 2012 and 2011, respectively. In connection with the issuance of these grants, 8,071, 4,672 and 3,070 shares, respectively, with fair values of $271,000, $154,000 and $124,000, respectively, were withheld in satisfaction of employee tax withholding obligations in 2014, 2013 and 2012, respectively.