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Intangible Assets (Tables)
3 Months Ended
Mar. 31, 2026
Intangible Assets  
Schedule of intangible assets

Intangible assets consisted of the following as of March 31, 2026 and December 31, 2025 (in thousands):

As of March 31, 

As of December 31, 

  ​ ​ ​

2026

  ​ ​ ​

2025

  ​ ​ ​

Licensed patent rights

$

826

$

826

Less: accumulated amortization

 

(520)

 

(504)

Total intangible assets, net

$

306

$

322

Schedule of expected remaining amortization expense

As of March 31, 2026, the expected remaining amortization expense is as follows (in thousands):

Year Ended December 31, 

  ​ ​ ​

Amount

2026 (remaining nine months)

$

47

2027

 

63

2028

 

63

2029

 

63

2030

 

63

Thereafter

 

7

Total

$

306