Quarterly report pursuant to Section 13 or 15(d)

Accrued Liabilities and Other Payables (Details)

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Accrued Liabilities and Other Payables (Details) - USD ($)
Jun. 30, 2019
Dec. 31, 2018
Payables and Accruals [Abstract]    
Accrued salaries and related benefits $ 7,961,303 $ 5,734,177
Accrued interest due 199,924 62,243
Other 424,834 262,128
Accrued liabilities and other payables $ 8,586,061 $ 6,058,548