v3.26.1
Note 9 - Intangible Assets, Net
6 Months Ended
Jun. 30, 2026
Notes to Financial Statements  
Intangible Asset [Text Block]

Note 9.  Intangible Assets, net

Intangible assets consisted of the following for the periods indicated (in thousands):

  

June 30, 2026

 
  

Gross

  

Accumulated

  

Intangible

 
  

Amount

  

amortization

  

assets, net

 

Patents

 $10,500  $(7,015) $3,485 

Trademarks

  252   (104)  148 

Total intangible assets

 $10,752  $(7,119) $3,633 

 

  

December 31, 2025

 
  

Gross

  

Accumulated

  

Intangible

 
  

Amount

  

amortization

  

assets, net

 

Patents

 $10,263  $(6,797) $3,466 

Trademarks

  243   (86)  157 

Total intangible assets

 $10,506  $(6,883) $3,623 

For the three months ended  June 30, 2026 and 2025, amortization expense for intangible assets, included in general and administrative expenses on the statement of operations, was $0.1 million and $0.2 million, respectively.  For the six months ended  June 30, 2026 and 2025, amortization expense for intangible assets, included in general and administrative expenses on the statement of operations, was $0.2 million and $0.3 million, respectively.  The remaining weighted average amortization period for intangible assets is approximately 7.4 years.

 

On June 30, 2026, future amortization expenses for intangible assets for future periods are estimated to be (in thousands):

 

2026 (remaining 6 months)

 $245 

2027

  493 

2028

  493 

2029

  493 

2030

  493 

2031 and thereafter

  1,416 

Total

 $3,633