XML 38 R28.htm IDEA: XBRL DOCUMENT v3.23.1
Debt (Tables)
3 Months Ended
Mar. 31, 2023
Debt Disclosure [Abstract]  
Schedule of carrying amounts of debt
The net carrying amounts of the liability components consists of the following (in thousands):

March 31, 2023December 31, 2022
Principal$20,402 $11,553 
Less: debt discount(10,598)(1,488)
Net carrying amount
$9,804 $10,065 
Schedule of interest expense recognized
The following table presents the interest expense recognized related to the Company's borrowings under the Keep Well Agreement and the 2024 Notes (in thousands):

Three Months Ended
March 31,
20232022
Contractual interest expense$848 $1,160 
Accretion of debt discount521 242 
Total interest expense$1,369 $1,402