XML 51 R31.htm IDEA: XBRL DOCUMENT v3.25.4
Intangible Assets (Tables)
12 Months Ended
Dec. 31, 2025
Intangible Assets  
Schedule of intangible assets

December 31, 

2025

  ​ ​ ​

2024

Gross Carrying

Accumulated

Gross Carrying

Accumulated

Amount

  ​ ​ ​

Amortization

  ​ ​ ​

Amount

  ​ ​ ​

Amortization

Intangible assets:

Licenses

$

149

$

(78)

$

149

$

(69)

Patents

261

(25)

135

(12)

Patents pending

1,813

 

 

1,831

 

Trademarks

13

13

Trademarks pending

33

 

 

25

 

Total intangible assets

$

2,269

$

(103)

$

2,153

$

(81)

Schedule of amortization expense for intangible assets

  ​ ​ ​

December 31, 

 

2025

  ​ ​ ​

2024

Amortization expense

$

22

$

15