Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies (Details 1)

v3.19.2
Summary of Significant Accounting Policies (Details 1) - USD ($)
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2019
Jun. 30, 2019
Dec. 31, 2018
Percentage of concentrations of credit risk 10.00% 10.00%  
Cash [Member]      
Total cash $ 3,401,304 $ 3,401,304 $ 2,252,287
Percentage of concentrations of credit risk   100.00% 100.00%
United States [Member] | Cash [Member]      
Total cash 2,761,051 $ 2,761,051 $ 1,035,802
Percentage of concentrations of credit risk   81.20% 46.00%
China [Member] | Cash [Member]      
Total cash $ 640,253 $ 640,253 $ 1,216,485
Percentage of concentrations of credit risk   18.80% 54.00%