v3.26.3
Convertible Senior Notes (Tables)
9 Months Ended
Sep. 30, 2026
Convertible Senior Notes  
Schedule of convertible senior notes payable

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

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​

​

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​

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September 30, 

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December 31, 

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  ​ ​ ​

2026

  ​ ​ ​

2025

  ​ ​ ​

Principal amount of 2026 Convertible Senior Notes

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$

186,185

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$

186,185

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Less: unamortized debt issuance costs

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​

(199)

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​

(1,091)

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Total carrying value of Convertible Senior Notes, net

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$

185,986

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$

185,094

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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 nine months ended September 30, 2026 and 2025 (in thousands):

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​

​

​

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​

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Three Months Ended

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Nine Months Ended

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September 30, 

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September 30, 

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2026

  ​ ​ ​

2025

  ​ ​ ​

2026

  ​ ​ ​

2025

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Coupon interest

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$

349

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$

349

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$

1,047

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$

1,227

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Amortization of debt issuance costs

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​

298

​

​

294

​

​

892

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​

925

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Total interest expense on Convertible Senior Notes

​

$

647

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$

643

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$

1,939

​

$

2,152

​