v3.26.1
Note 5 - Goodwill (Tables)
12 Months Ended
Dec. 31, 2025
Notes Tables  
Schedule of Goodwill [Table Text Block]
  

Sensors

  

Total

 

Balance as of December 31, 2023

 $7,402,644  $7,402,644 

Impairment

  (2,943,000)  (2,943,000)

Balance as of December 31, 2024

  4,459,644   4,459,644 

Impairment

  (4,459,644)  (4,459,644)

Balance as of December 31, 2025

 $  $