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Note 3 - Leases
3 Months Ended
Mar. 31, 2021
Notes to Financial Statements  
Lessee, Operating Leases [Text Block]
Note
3.
  Leases
 
The Company leases facilities and office equipment under various operating leases, which generally are expected to be renewed or replaced by other leases. For the quarter ended
March 31, 2021
 and
2020
, operating lease expenses totaled
$104,131
 and
$68,086
, respectively.  
 
Operating lease liabilities as of
March 31, 2021
will require the following payments:
 
2021
  $
415,422
 
2022
   
563,818
 
2023
   
495,565
 
2024
   
458,787
 
2025
   
353,990
 
Thereafter
   
1,115,689
 
Total minimum lease payments
   
3,403,271
 
Less imputed interest
   
(481,527
)
Total lease liabilities
  $
2,921,744