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Long-term debt (Tables)
9 Months Ended
Sep. 30, 2022
Long-term debt  
Schedule of long term debt instruments

​

Long-term debt consisted of the following (in thousands):

​

​

​

​

​

​

​

​

​

​

September 30, 

​

December 31,

​

    

2022

    

2021

Term loan payable

​

$

30,000

​

$

30,000

End of term charge

​

​

624

​

​

376

Unamortized debt issuance costs

​

​

(392)

​

​

(503)

Carrying value of term loan

​

$

30,232

​

$

29,873

Schedule of maturities of long term debt

Future principal payments, including the End of Term Charge, are as follows (in thousands):

​

​

​

​

​

​

​

​

Year Ending December 31, 

​

​

2022

​

$

—

2023

​

​

—

2024

​

​

—

2025

​

​

31,500

Total

​

$

31,500