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Note 14 - Acquisitions - Consideration Transferred (Details) - USD ($)
$ in Thousands
6 Months Ended
May 28, 2021
Mar. 01, 2021
Jun. 30, 2022
Woorank SRL ([Member]      
Cash paid at or in close proximity to closing   $ 285  
Future deferred payments   376  
Total consideration paid   2,401  
Woorank SRL ([Member] | Earn-outs [Member]      
Liabilities incurred   1,289  
Woorank SRL ([Member] | Seller Note [Member]      
Liabilities incurred   352  
Woorank SRL ([Member] | Series D Convertible Preferred Stock [Member]      
Stock issued as consideration   0  
Woorank SRL ([Member] | Common Stock [Member]      
Stock issued as consideration   $ 99  
Hawk Search [Member]      
Cash paid at or in close proximity to closing $ 4,800    
Future deferred payments 2,000    
Total consideration paid 9,920    
Hawk Search [Member] | Earn-outs [Member]      
Liabilities incurred 2,190    
Hawk Search [Member] | Seller Note [Member]      
Liabilities incurred 0    
Hawk Search [Member] | Series D Convertible Preferred Stock [Member]      
Stock issued as consideration 930    
Hawk Search [Member] | Common Stock [Member]      
Stock issued as consideration $ 0    
The 2021 Acquisitions [Member]      
Cash paid at or in close proximity to closing     $ 5,085
Future deferred payments     2,376
Total consideration paid     12,321
The 2021 Acquisitions [Member] | Earn-outs [Member]      
Liabilities incurred     3,479
The 2021 Acquisitions [Member] | Seller Note [Member]      
Liabilities incurred     352
The 2021 Acquisitions [Member] | Series D Convertible Preferred Stock [Member]      
Stock issued as consideration     930
The 2021 Acquisitions [Member] | Common Stock [Member]      
Stock issued as consideration     $ 99