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Note 2 - Acquisitions (Details Textual) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Revenue from Contract with Customer, Including Assessed Tax $ 7,831 $ 9,323
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 $ 347