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Lease (Tables)
 3 Months Ended 12 Months Ended
Mar. 31, 2022
Dec. 31, 2021
Leases [Abstract]    
Schedule of operating lease arrangements
   March 31,
2022		   December 31,
2021		 
ASSETS        
Operating lease right-of-use assets  $1,382,695   $1,471,899 
LIABILITIES          
Operating lease liabilities (current)   349,008    347,100 
Operating lease liabilities (noncurrent)   1,033,686    1,124,799 

 
    December 31,
2021		     December 31,
2020		  
ASSETS            
Operating lease right-of-use assets   $ 1,471,899     $ 1,772,747  
LIABILITIES                
Operating lease liabilities (current)     347,100       316,178  
Operating lease liabilities (noncurrent)     1,124,799       1,456,567  

 
Schedule of supplemental information related to operating leases
   Three Months Ended
March 31,		 
   2022   2021 
Operating lease expenses  $85,857   $78,847 

 

   Three Months Ended
March 31,		 
   2022   2021 
Cash paid for amounts included in the measurement of operating lease liabilities  $85,857   $78,847 

 

   March 31,
2022		   December 31,
2021		 
Weighted Average Remaining Lease Term:        
Operating leases   2.65 years     2.90 years 
           
Weighted Average Discount Rate:          
Operating leases   1.37%   1.39%

 
   Year Ended
December 31,		 
   2021   2020 
Operating lease expenses  $335,208   $337,282 

 

    Year Ended
December 31,		  
    2021     2020  
Cash paid for amounts included in the measurement of operating lease liabilities   $ 335,208     $ 337,282  
                 

 

   December 31,
2021		  December 31,
2020
Weighted Average Remaining Lease Term:      
Operating leases  2.90 years  3.08 years
       
Weighted Average Discount Rate:      
Operating leases  1.39%  0.55%

 
Schedule of minimum future annual payments under non-cancellable leases
   Operating
leases		 
2022 (excluding three months ended March 31, 2022)  $266,024 
2023   359,279 
2024   374,283 
2025   338,676 
Thereafter   56,916 
Total future minimum lease payments, undiscounted   1,395,178 
Less: Imputed interest   12,484 
Present value of future minimum lease payments  $1,382,694 
   Operating leases 
2022  $353,896 
2023   360,994 
2024   375,938 
2025   338,676 
Thereafter   56,916 
Total future minimum lease payments, undiscounted   1,486,420 
Less: Imputed interest   14,521 
Present value of future minimum lease payments  $1,471,899