XML 59 R40.htm IDEA: XBRL DOCUMENT v3.21.1
General and Administrative Expenses (Tables)
 12 Months Ended
Dec. 31, 2020
Selling, General and Administrative Expense [Abstract]  
Schedule of general and administrative expenses
   Year ended December 31, 
   2020   2019   2018 
Salaries and social welfare  $787,700   $1,358,629   $1,068,643 
Service fee   1,469,810    750,734    1,493,403 
Office expense   79,733    268,555    391,850 
Research & Development   -    -    301,713 
Depreciation &Amortization   83,531    138,811    79,177 
Stock compensation   -    69,176    247,134 
Entertainment fee   3,348    4,176    22,593 
Travel Expense   57,237    1,056    17,902 
Others   842    2,671    53,050 
Total General and administrative expenses  $2,482,201   $2,593,808   $3,675,465