v3.26.1
Convertible Senior Notes (Tables)
6 Months Ended
Jun. 30, 2026
Convertible Senior Notes  
Schedule of convertible senior notes payable

Convertible Senior Notes payable consisted of the following at June 30, 2026 and December 31, 2025 (in thousands):

June 30, 

December 31, 

  ​ ​ ​

2026

  ​ ​ ​

2025

  ​ ​ ​

Principal amount of 2026 Convertible Senior Notes

$

186,185

$

186,185

Less: unamortized debt issuance costs

(498)

(1,091)

Total carrying value of Convertible Senior Notes, net

$

185,687

$

185,094

Schedule of interest expenses incurred in connection with the convertible senior notes

Interest expense incurred in connection with the Convertible Senior Notes consisted of the following for the three and six months ended June 30, 2026 and 2025 (in thousands):

  ​ ​ ​

Three Months Ended

  ​ ​ ​

Six Months Ended

  ​ ​ ​

June 30, 

June 30, 

  ​ ​ ​

2026

  ​ ​ ​

2025

  ​ ​ ​

2026

  ​ ​ ​

2025

  ​ ​ ​

Coupon interest

$

349

$

421

$

698

$

878

Amortization of debt issuance costs

297

312

594

631

Total interest expense on Convertible Senior Notes

$

646

$

733

$

1,292

$

1,509