Commitments and contingencies (Details Textual)
0 Months Ended 12 Months Ended
Nov. 01, 2013
Dec. 31, 2013
USD ($)
Dec. 31, 2013
CAD
Dec. 31, 2012
USD ($)
Dec. 31, 2011
USD ($)
Schedule Of Commitments And Contingencies [Line Items]          
Monthly lease rent for office space   $ 2,185 2,325    
Rent expense   $ 22,323   $ 12,669 $ 480
Term of free office rent 1 year