12. Taxes payable - Taxes Payable (Details) - USD ($)	Jun. 30, 2015	Dec. 31, 2014
Payables and Accruals [Abstract]
Harmonized sales tax	$ 565,624	$ 590,919
Payroll taxes	2,078,580	2,065,377
US tax penalties	150,000	150,000
Taxes Payable	$ 2,794,204	$ 2,806,296

Carrying amount as of the balance sheet date of the unpaid sum of the known and estimated amounts payable to satisfy all domestic and foreign income tax obligations due. This amount is the total of current and noncurrent accrued income taxes.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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