v3.25.2
DEBT AND FINANCING ARRANGEMENTS (Tables)
 6 Months Ended
Jun. 30, 2025
Debt Disclosure [Abstract]  
Schedule of Debt
Our debt consists of the following (in thousands):
June 30, 2025December 31, 2024
2024 Convertible Senior Notes, net168,289 167,729 
2020 Convertible Senior Notes, net46,009 45,863 
Total debt$214,298 $213,592 
Convertible Debt
The net carrying amount of the liability component of the 2024 Convertible Senior Notes is as follows (in thousands):

June 30, 2025December 31, 2024
Principal$172,500 $172,500 
Minus:
Unamortized issuance costs(4,211)$(4,771)
Net carrying amount$168,289 $167,729 

Interest expense recognized related to the 2024 Convertible Senior Notes is as follows (in thousands):
Three Months Ended June 30,Six Months Ended June 30,
2025202420252024
Contractual interest expense (due in cash)$1,833 $1,812 $3,666 $1,812 
Amortization of debt issuance costs281 277 561 277 
Total interest expense related to the 2024 Convertible Senior Notes$2,114 $2,089 $4,227 $2,089 
Effective interest rate4.90 %4.84 %4.90 %4.84 %
The net carrying amount of the liability component of the 2020 Convertible Senior Notes is as follows (in thousands):

June 30, 2025December 31, 2024
Principal$46,070 $46,070 
Minus:
Unamortized issuance costs(61)(207)
Net carrying amount of the liability component$46,009 $45,863 

Interest expense recognized related to the 2020 Convertible Senior Notes is as follows (in thousands):
Three Months Ended
June 30,		Six Months Ended
June 30,
2025202420252024
Contractual interest expense (due in cash)$115 $115 $230 $690 
Amortization of debt issuance costs73 73 146 438 
Total interest expense related to the 2020 Convertible Senior Notes$188 $188 $376 $1,128 
Effective interest rate1.64 %1.64 %1.64 %1.64 %