Warrants

3 Months Ended

Mar. 31, 2015

Equity [Abstract]

Warrants

Warrants 

As of March 31, 2015 the following warrants for common stock were issued and outstanding:

Issue date	Expiration date	Exercise price		Number of warrants outstanding
April 4, 2011	April 4, 2016	$	6.74	1,384,647
November 21, 2012	November 21, 2017	$	7.86	1,067,792
				2,452,439

On April 4, 2011 and November 21, 2012 the Company's wholly owned subsidiary, MethylGene, completed private placement financing transactions which resulted in the issuance of common stock warrants. The April 4, 2011 common stock warrants were issued with an exercise price of CND$7.46 (USD$6.74 as amended) and the November 21, 2012 common stock warrants were issued with an exercise price of CND$8.70 (USD$7.86 as amended). During the last half of 2014, the Company amended all of these outstanding warrant agreements to allow for the warrants to be denominated in U.S. Dollars.

During the three months ended March 31, 2015, warrants for 13,274 shares of the Company's common stock were exercised via cashless exercises and the Company issued a total of 9,315 shares of common stock.