v3.25.4
Note 3 - Allowance for Credit Losses (Tables)
12 Months Ended
Dec. 31, 2025
Notes Tables  
Accounts Receivable, Allowance for Credit Loss [Table Text Block]
  

Years Ended December 31,

 
  

2025

  

2024

 

Balance, beginning of year

 $50  $50 

Provision for credit losses

  59   122 

Uncollectible accounts written off

  (59)  (122)

Balance, end of year

 $50  $50