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Note 7 - Debt and Other Financing Arrangements (Tables)
6 Months Ended
Jun. 30, 2022
Notes Tables  
Schedule of Long-Term Debt Instruments [Table Text Block]

July 1, 2022, through December 31, 2022

 $316 

2023

  293 

2024

  305 

Long-term debt from equipment financing

  914 

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

  (461)

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

 $453