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Leases (Tables)
 6 Months Ended
Jun. 30, 2021
Lease Of Lessee Disclosure [Abstract]  
Schedule of operating leases
   Six Months Ended 
   June 30, 
   2021   2020 
Cash paid for amounts included in the measurement of operating lease liabilities  $34,021   $38,529 
Weighted average assumptions:          
Remaining lease term   0.4    2.9 
Discount rate   3.5%   2.5%

 
Schedule of future minimum payments under non-cancelable operating leases
For the year ending December 31,  Amount 
2021   38,723 
Total  $38,723 
Less: present value adjustment   (3,777)
Present value of minimum lease payments  $34,946