Income taxes (Schedule of Effective Tax Rate Reconciliation) (Details) - USD ($)	12 Months Ended		57 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2015
Income Tax Disclosure [Abstract]
(Loss)/income before taxes	$ (247,239)	$ (364,699)	$ (853,047)
Computed tax benefit at Hong Kong income tax rate
Valuation allowance adjustment
Unrecognized tax losses
Non-taxable items
Non-deductible expenses
Tax rebate
Others
Total