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Note 2 - Summary of Significant Accounting Policies (Tables)
6 Months Ended
Jun. 30, 2024
Notes Tables  
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]
  

June 30,

  

June 30,

 
  

2024

  

2023

 

Balance as of beginning of period

 $701  $984 

Amounts accrued

  130   309 

Write-offs charged against the allowance

  -   (179)

Balance as of end of period

 $831  $1,114 
Schedule of Inventory, Current [Table Text Block]
  

June 30,

  

December 31,

 
  

2024

  

2023

 

Raw materials

 $2,372  $2,063 

Work-in-process

  623   504 

Total inventories

 $2,995  $2,567