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Note 2 - Acquisitions (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2024
Sep. 30, 2023
Dec. 31, 2023
Revenue from Contract with Customer, Including Assessed Tax $ 8,988 $ 8,905   $ 25,029 $ 27,017  
Assets Acquired in the TEC Agreement [Member] | Discontinued Operations, Held-for-Sale or Disposed of by Sale [Member]            
Proceeds from Sale of Productive Assets     $ 7,600      
Gain (Loss) on Disposition of Assets, Total           $ (2,100)
TEC Staffing Services [Member]            
Revenue from Contract with Customer, Including Assessed Tax $ 367     $ 1,100