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Leases (Tables)
3 Months Ended
Mar. 31, 2021
Disclosure Text Block [Abstract]  
Schedule of operating leases
   Three Months Ended 
   March 31, 
   2021   2020 
Cash paid for amounts included in the measurement of operating lease liabilities  $16,133   $38,529 
Weighted average assumptions:          
Remaining lease term   0.7    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   61,547 
Total  $61,547 
Less: present value adjustment   (8,713)
Present value of minimum lease payments  $52,834