16.                Subsequent Events

On October 11, 2013, the Company completed a public offering of common shares on behalf of selling stockholders. A total of 5,801,997 shares were sold, including an overallotment option exercised by the underwriters, at a public offering price of $29.25 per share. The Company did not receive any proceeds from the sale of shares by the selling stockholders.  The Company incurred costs of $280 during the three and nine months ended September 30, 2013 in relation to the public offering and this amount is included in general and administration expenses in the condensed consolidated statements of operations.  During the fourth quarter of 2013, the Company expects to incur approximately $700 of additional costs related to the public offering.