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Note 5 - Restructuring and Other Exit Costs - Restructuring and Other Exit Charges (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Balance     $ 0  
Restructuring and other exit costs $ 1,300 $ 100 1,909 $ 1,300
Non-cash charges     (1,320)  
Cash payments     (110)  
Balance 479   479  
Cost of Revenues [Member]        
Balance     0  
Restructuring and other exit costs     1,320  
Non-cash charges     (1,320)  
Cash payments     0  
Balance 0   0  
Employee Severance [Member]        
Balance     0  
Restructuring and other exit costs     561  
Non-cash charges     0  
Cash payments     (82)  
Balance 479   479  
Other Restructuring [Member]        
Balance     0  
Restructuring and other exit costs     28  
Non-cash charges     0  
Cash payments     (28)  
Balance $ 0   $ 0