v3.25.2
Note 2 - Summary of Significant Accounting Policies (Tables)
6 Months Ended
Jun. 30, 2025
Notes Tables  
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]
  

June 30,

  

June 30,

 
  

2025

  

2024

 

Balance as of beginning of period

 $699  $701 

Amounts accrued

  57   130 

Write-offs charged against the allowance

  (126)  - 

Balance as of end of period

 $630  $831 
Schedule of Inventory, Current [Table Text Block]
  

June 30,

  

December 31,

 
  

2025

  

2024

 

Raw materials

 $667  $1,465 

Work-in-process

  388   530 

Total inventories

 $1,055  $1,995