15. Income taxes - Reconciliation of Income Taxes (Details) - USD ($)	6 Months Ended	12 Months Ended
	Jun. 30, 2015	Dec. 31, 2014
Income Tax Disclosure [Abstract]
Tax benefit at statutory rate	$ 122,099	$ 570,870
Valuation allowance	$ (122,099)	$ (570,870)
Net future tax asset