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Note 2 - Acquisitions - Discontinued Operations (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Dec. 31, 2021
Provision for income taxes $ 32   $ 89   $ 0
Net income 98 $ 0 277 $ 0  
Discontinued Operations [Member]          
Revenue 302   882    
Cost of staffing services 171   501    
Gross profit 131   381    
SG&A 1   15    
Net income before tax 130   366    
Provision for income taxes 32   89    
Net income $ 98   $ 277