Share capital (Tables)

12 Months Ended

Dec. 31, 2015

Equity [Abstract]

Schedule of Preferred Shares Outstanding

As at December 31, 2015, the Company had the following preferred shares outstanding:

					Liquidation preference
	Shares				December31,		December31,
Series	Authorized		Issued		2015		2014
A		315,000		—	$	—	$	—
B		260,000		—		—		—
C		40,000,000		13,321,774		333,044		341,638
D		20,000,000		4,981,029		124,526		127,625
E		15,000,000		5,370,600		134,265		135,000
R		1,000,000		—		—		—