Interest on the line of credit (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Interest on the line of credit Details
Interest on the line of credit for the three and nine months ended	$ 1,101	$ 959	$ 3,233	$ 2,844