v3.26.1
Patents and Other Intangible Assets, Net (Tables)
6 Months Ended
Jun. 30, 2026
Patents and Other Intangible Assets, Net  
Schedule of patents and other intangible assets, net

June 30, 

December 31, 

(in thousands)

  ​ ​ ​

2026

  ​ ​ ​

2025

  ​ ​ ​

Patents

Patents pending

$

401

$

358

Issued patents

 

1,081

 

1,110

 

1,482

 

1,468

Trademarks

 

 

Registered trademarks

 

86

 

86

 

86

 

86

Other

 

8

 

8

 

1,576

 

1,562

Accumulated amortization

 

(839)

 

(802)

$

737

$

760

Schedule of future amortization expense

Future amortization expense associated with issued patents and registered trademarks as of June 30, 2026 is as follows:

(in thousands)

2026 (remaining)

$

67

2027

 

113

2028

 

80

2029

 

48

2030

19

Thereafter

 

1

$

328