Summary of Significant Accounting Policies (Details 1) - USD ($)		Mar. 31, 2017	Dec. 31, 2016	Mar. 31, 2016	Dec. 31, 2015
Cash balances by geographic area
Total cash and cash equivalents		$ 2,828,692	$ 1,481,498	$ 18,948,981	$ 18,790,370
Total cash and cash equivalents, percentage		100.00%	100.00%
United States [Member]
Cash balances by geographic area
Total cash and cash equivalents		$ 402	$ 557
Total cash and cash equivalents, percentage	[1]
China [Member]
Cash balances by geographic area
Total cash and cash equivalents		$ 2,828,290	$ 1,480,941
Total cash and cash equivalents, percentage		99.99%	99.96%

[1] Less than 0.1%