Loans Payable Unsecured Minimum Future Payments (Details) (USD $)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Minimum future payments of the aggregate long term loans	$ 19,846	$ 113,059	$ 103,393	$ 94,554	$ 86,471
Total borrowings	$ 417,323