Defined Contribution Plan (Detail Textuals) - USD ($)	1 Months Ended	3 Months Ended		6 Months Ended
	Dec. 31, 2011	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Defined Contribution Plan Disclosure [Line Items]
Employer matching contribution, percent	100.00%
Employer matching contribution, description	401(k) defined contribution plan ("401(k) Plan") that provides for a 100% employer matching contribution of the first 3% and a 50% employer matching contribution of each additional percent contributed by an employee up to 5% of each employee's pay. Employees become fully vested in employer matching contributions after six months of employment.
Employer matching contribution, amount		$ 904	$ 1,000	$ 2,100	$ 2,000
PRC
Defined Contribution Plan Disclosure [Line Items]
Employer matching contribution, amount				$ 233,676	$ 224,134