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General and Administrative Expenses
12 Months Ended
Dec. 31, 2019
Selling, General and Administrative Expense [Abstract]  
GENERAL AND ADMINISTRATIVE EXPENSES

16.GENERAL AND ADMINISTRATIVE EXPENSES

 

The Company's general and administrative expenses consist of the followings:

 

   Year ended December 31, 
   2019   2018   2017 
Salaries and social welfare  $1,358,629   $1,068,643   $862,660 
Service fee   750,734    1,493,403    915,228 
Office expense   268,555    391,850    388,751 
Research & Development   -    301,713    

344,575

 
Depreciation &Amortization   138,811    79,177    31,739 
Stock compensation   69,176    247,134    479,233 
Entertainment fee   4,176    22,593    - 
Travel Expense   1,056    17,902    75,080 
Others   2,671    53,050    

94,764

 
Total General and administrative expenses  $2,593,808   $3,675,465   $3,192,030