v3.26.1
Note 6 - Concentrations
3 Months Ended 12 Months Ended
Mar. 31, 2026
Dec. 31, 2025
Notes to Financial Statements    
Concentration Risk Disclosure [Text Block]

6.

CONCENTRATIONS

 

Customers accounting for more than 10% of revenue in any of the periods presented are summarized as follows (in thousands, except percentages):

 

  

Three Months Ended March 31,

 
  

2026

  

2025

 
  Revenue  %  Revenue  % 

Customer A

 $753   68% $344   49%

Customer B

 $-   -% $156   22%
Customer C $-   -% $189   27%

Customer I

 $188   17% $-   -%
Customer J $172   15% $-   -%

 

As of March 31, 2026, Customer A accounted for $566,000, or 77%, and Customer J accounted for $172,000, or 23%, accounts receivable balance.

 

As of December 31, 2025, Customer A accounted for $179,000, or 29%, Customer B accounted for $86,000, or 14%, Customer F accounted for $179,000, or 29%, and Customer H accounted for $179,000, or 29%, of the accounts receivable balance.

 

Concentrations of revenues derived from foreign countries are disclosed in Note 5.

 

Long-lived assets by geographic areas are as follows (in thousands):

 

  

March 31, 2026

  

December 31, 2025

 

United States

 $175  $174 

Foreign, principally in Europe

  9   9 

Property and equipment, net

 $184  $183 

  

6.

CONCENTRATIONS

 

Customers accounting for more than 10% of revenue in any of the periods presented are summarized as follows (in thousands, except percentages):

 

  

Year Ended December 31,

 
  

2025

  

2024

 

Customer A

 $2,122   43% $1,796   41%

Customer B

 $658   13% $494   11%

Customer I

 $546   11% $8   -%

 

As of December 31, 2025, Customer A, B, F, and H accounted for 29%, 14%, 29%, and 29%, of the accounts receivable, respectively. As of December 31, 2024, Customer A, B, E, and F accounted for 0%, 0%, 48%, and 34% of the accounts receivable balance, respectively. 

 

Concentrations of revenues derived from foreign countries are disclosed in Note 5.

 

Long-lived assets by geographic areas are as follows (in thousands):

 

  

December 31, 2025

  

December 31, 2024

 

United States

 $174  $213 

Foreign, principally in Europe

  9   14 

Property and equipment, net

 $183  $227