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Note 7 - Debt and Other Financing Arrangements (Tables)
3 Months Ended
Mar. 31, 2023
Notes Tables  
Schedule of Long-Term Debt Instruments [Table Text Block]

April 1, 2023, through December 31, 2023

 $222 

2024

  305 

Long-term debt from equipment financing

  527 

Less: current portion of long-term debt from equipment financing

  (297)

Long-term debt from equipment financing, net of current portion

 $230