Convertible note receivable (Details) - USD ($)	Jun. 30, 2015	Dec. 31, 2014	Mar. 12, 2014
Convertible notes receivable Details
Convertible note receivable	$ 0	$ 0	$ 100,000
Note bears interest rate per annum	5.00%	0.00%	0.00%
Increase in interest rate	10.00%	0.00%	0.00%
Payments of principal and interest in the amount	$ 0	$ 0	$ 2,289.83