v3.26.1
Intangible Assets (Tables)
6 Months Ended
Jun. 30, 2026
Intangible Assets  
Schedule of intangible assets

  ​ ​ ​

June 30, 2026

  ​ ​ ​

December 31, 2025

Gross Carrying

Accumulated

Gross Carrying

Accumulated

  ​ ​ ​

Amount

  ​ ​ ​

Amortization

  ​ ​ ​

Amount

  ​ ​ ​

Amortization

Intangible assets:

Licenses

$

152

$

(82)

$

149

$

(78)

Patents

261

(32)

261

(25)

Patents pending

 

1,813

 

 

1,813

 

Trademarks

13

13

Trademarks pending

 

34

 

 

33

 

Total amortizable intangible assets

$

2,273

$

(114)

$

2,269

$

(103)

Schedule of amortization expense for intangible assets

Three Months Ended June 30, 

Six Months Ended June 30, 

 

  ​ ​ ​

2026

  ​ ​ ​

2025

2026

  ​ ​ ​

2025

 

Amortization expense

$

5

$

6

$

11

$

11