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Note 3 - Acquisition - Identifiable Intangible Assets and Estimated Useful Lives (Details) - USD ($)
$ in Thousands
Oct. 28, 2021
Oct. 21, 2021
Dec. 21, 2021
Videology [Member]      
Finite-lived intangible assets, fair value $ 4,396    
Finite-lived intangible assets, weighted average useful life (Year) 11 years 7 months 6 days    
Identifiable intangible asset – Customer Relationships $ 5,246    
Videology [Member] | Trade Names [Member]      
Indefinite-lived intangible assets, fair value 850    
Videology [Member] | Customer Relationships [Member]      
Finite-lived intangible assets, fair value $ 2,960    
Finite-lived intangible assets, weighted average useful life (Year) 14 years    
Videology [Member] | Technology-Based Intangible Assets [Member]      
Finite-lived intangible assets, fair value $ 1,050    
Finite-lived intangible assets, weighted average useful life (Year) 9 years    
Videology [Member] | Customer Backlog [Member]      
Finite-lived intangible assets, fair value $ 386    
Finite-lived intangible assets, weighted average useful life (Year) 9 months 18 days    
Acculogic [Member]      
Finite-lived intangible assets, fair value   $ 2,769  
Finite-lived intangible assets, weighted average useful life (Year)   14 years  
Identifiable intangible asset – Customer Relationships   $ 5,123 $ 5,123
Acculogic [Member] | Trade Names [Member]      
Indefinite-lived intangible assets, fair value   898  
Acculogic [Member] | Technology-Based Intangible Assets [Member]      
Finite-lived intangible assets, fair value   $ 127  
Finite-lived intangible assets, weighted average useful life (Year)   6 months  
Acculogic [Member] | Customer Contracts [Member]      
Finite-lived intangible assets, fair value   $ 1,329  
Finite-lived intangible assets, weighted average useful life (Year)   9 years  
Acculogic [Member] | Customer Backlog [Member]      
Finite-lived intangible assets, fair value   $ 4,225  
Finite-lived intangible assets, weighted average useful life (Year)   12 years