Related Parties (Details) In Thousands, except Share data, unless otherwise specified	12 Months Ended				0 Months Ended		12 Months Ended					12 Months Ended
	Dec. 31, 2014 USD ($)	Dec. 31, 2014 CAD	Dec. 31, 2013 USD ($)	Dec. 31, 2013 CAD	Jan. 02, 2013 Genworks [Member] CAD	Jan. 02, 2012 Genworks [Member] CAD	Dec. 31, 2014 Genworks [Member] USD ($)	Dec. 31, 2014 Genworks [Member] CAD	Dec. 31, 2013 Genworks [Member] USD ($)	Dec. 31, 2012 Genworks [Member] USD ($)	Sep. 01, 2012 Genworks [Member] CAD	Dec. 31, 2014 Medpace [Member] USD ($)	Dec. 31, 2013 Medpace [Member] USD ($)	Dec. 31, 2012 Medpace [Member] USD ($)
Related Party Transaction [Line Items]
Consulting fees									$ 0	$ 307
Issued pursuant to exercise of stock options (in Shares)	2,417	2,417	8,329	8,329	30,864	10,288
Weighted Average Exercise Price, Exercised	$ 5.23	6.07	$ 5.88	6.07	2.67	3.74
Payments for Fees								600
Fees and bonuses payable to related party											0
Accrued amount relating to service provided							0		0			0	0
Paid for research conducted													$ 0	$ 151