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Accounts payable, accrued expenses and other liabilities
 12 Months Ended
Dec. 31, 2021
Payables and Accruals [Abstract]  
Accounts payable, accrued expenses and other liabilities Accounts payable, accrued expenses and other liabilities
Accounts payable, accrued expenses and other liabilities consisted of the following as of December 31, 2021 and 2020:
As of December 31,
20212020
Accounts payable and accrued expenses$850,215 $222,203 
Deferred revenue510,715 399,820 
Accrued interest352,374 270,576 
Operating lease liabilities (Note 17)173,595 49,423 
Derivative liabilities (Note 12)71,197 167,303 
$1,958,096 $1,109,325