XML 32 R21.htm IDEA: XBRL DOCUMENT v3.21.2
SUMMARY OF SIGNIFICANT ACCOUNTING POLICY (Tables)
6 Months Ended
Jun. 30, 2021
Accounting Policies [Abstract]  
Concentrations of credit risk
          
   June 30,
2021
   December 31,
2020
 
         
Percentage of the Company’s accounts receivable          
Customer A   12.95%    26.33% 
Customer B   68.21%    73.67% 
Customer C   12.74%     
    93.90%    100.00%