15. Income taxes - Reconciliation of Income Taxes (Details) - USD ($)	9 Months Ended	12 Months Ended
	Sep. 30, 2015	Dec. 31, 2014
Income Tax Disclosure [Abstract]
Tax benefit at statutory rate	$ 105,818	$ 570,870
Valuation allowance	$ (105,818)	$ (570,870)
Net future tax asset