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Cash, cash equivalents, and Restricted cash
 9 Months Ended
Sep. 30, 2021
Cash and Cash Equivalents [Abstract]  
Cash, cash equivalents, and Restricted cash Cash, cash equivalents, and restricted cash
The following table provides a reconciliation of Cash and cash equivalents and restricted cash reported within the Condensed Consolidated Balance Sheets that sum to the total of the amounts shown in the Condensed Consolidated Statements of Cash Flows:

September 30, 2021December 31, 2020September 30, 2020December 31, 2019
Cash and cash equivalents$100,011,694 $69,927,594 $83,408,816 $53,583,898 
Restricted cash - current *25,557,674 18,846,177 1,872,244 5,471,470 
Restricted cash - noncurrent *75,000 75,000 — 74,917 
Total cash, cash equivalents and restricted cash shown in the condensed consolidated statements of cash flows$125,644,368 $88,848,771 $85,281,060 $59,130,285 

*Amounts included in restricted cash posted to secure the letter of credit on our office leases and the cash posted to a defeasance account as of September 30, 2021 to be utilized for redemption of the Norwegian Bond Debt. The cash was used in redemption of the Norwegian Bond Debt which was repaid on October 18, 2021.