v3.26.1
Note 5 - Revenue (Tables)
3 Months Ended 12 Months Ended
Mar. 31, 2026
Dec. 31, 2025
Notes Tables    
Disaggregation of Revenue [Table Text Block]
  

Three Months Ended March 31,

 
  

2026

  

2025

 
  

Revenue

  

% of revenue

  

Revenue

  

% of revenue

 

Revenue by geographic area

                

United States

 $1,150   100% $533   86%

Europe

  -   0%  80   13%

Rest of the world

  -   0%  7   1%

Total

 $1,150   100% $620   100%
                 

Revenue by type

                

Products

 $943   82% $613   99%

Rentals

  207   18%  7   1%

Total

 $1,150   100% $620   100%
  

Year Ended December 31,

 
  

2025

  

2024

 
  

Revenue

  

% of revenue

  

Revenue

  

% of revenue

 

Revenue by geographic area

                

United States

 $4,360   88% $3,266   74%

Europe

  580   12%  991   23%

Rest of the world

  -   -%  134   3%

Total

 $4,940   100% $4,391   100%
                 

Revenue by type

                

Products

 $4,746   96% $4,254   97%

Rentals

  194   4%  137   3%

Total

 $4,940   100% $4,391   100%