At December 31, 2014 and 2013 there were 1,001,000 and 919,000 common share purchase warrants outstanding at a weighted average exercise price of U.S.$24.17 and CND$27.07, respectively. For the year ended December 31, 2014 the total amounts for common share purchase warrants outstanding includes common share purchase warrants with exercise prices denominated in Canadian dollars and U.S. Dollars and the Canadian dollar amounts have been converted to U.S. dollars for purposes of the weighted average exercise price calculation utilizing a conversion rate as of December 31, 2014.

The following table summarizes the expiration dates for the Company’s outstanding common share purchase warrants as of December 31, 2014 (in thousands):

The Company has recorded a $0.9 million liability at December 31, 2013 associated with the fair value of the Company’s common share purchase warrants. See Note 3 and Note 6.