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Operating Leases (Tables)
12 Months Ended
Dec. 31, 2020
Leases [Abstract]  
Summary of total lease and operating expense
The following table summarizes the total lease and the related operating expenses for the years ended December 31, 2020, 2019 and 2018:
For the year ended December 31,
202020192018
$947,398 $971,203 $970,143 
Future minimum lease payments under the operating leases
The approximate future minimum lease payments under the operating lease are as follows:
Future Minimum Lease Payments by Year
Total20212022202320242025Thereafter
$2,652,760 $624,179 $624,179 $624,179 $624,179 $156,044 $—