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Note 6 - Intangible Assets, Net - Intangible Assets (Details) - USD ($)
$ in Thousands
Dec. 31, 2024
Dec. 31, 2023
Total gross amount $ 127,868 $ 126,227
Total accumulated amortization (106,071) (99,418)
Intangible assets, net $ 21,797 26,809
Minimum [Member]    
Amortization period (Year) 2 years  
Maximum [Member]    
Amortization period (Year) 20 years  
Computer Software, Intangible Asset [Member]    
Amortization period (Year) 3 years  
Total gross amount $ 25,478 20,175
Total accumulated amortization (16,709) (12,142)
Intangible assets, net 8,769 8,033
Acquired Proprietary Technology [Member]    
Total gross amount 15,792 16,972
Total accumulated amortization (15,037) (15,132)
Intangible assets, net $ 755 1,840
Acquired Proprietary Technology [Member] | Minimum [Member]    
Amortization period (Year) 3 years  
Acquired Proprietary Technology [Member] | Maximum [Member]    
Amortization period (Year) 5 years  
Customer Relationships [Member]    
Total gross amount $ 36,686 39,168
Total accumulated amortization (35,952) (37,249)
Intangible assets, net $ 734 1,919
Customer Relationships [Member] | Minimum [Member]    
Amortization period (Year) 5 years  
Customer Relationships [Member] | Maximum [Member]    
Amortization period (Year) 10 years  
Trade Names [Member]    
Total gross amount $ 16,657 16,657
Total accumulated amortization (7,711) (6,893)
Intangible assets, net $ 8,946 9,764
Trade Names [Member] | Minimum [Member]    
Amortization period (Year) 4 years  
Trade Names [Member] | Maximum [Member]    
Amortization period (Year) 20 years  
Internet Domain Names [Member]    
Amortization period (Year) 20 years  
Total gross amount $ 195 195
Total accumulated amortization (87) (77)
Intangible assets, net 108 118
Database Rights [Member]    
Total gross amount 31,292 31,292
Total accumulated amortization (28,807) (26,157)
Intangible assets, net $ 2,485 5,135
Database Rights [Member] | Minimum [Member]    
Amortization period (Year) 5 years  
Database Rights [Member] | Maximum [Member]    
Amortization period (Year) 10 years  
Noncompete Agreements [Member]    
Total gross amount $ 1,768 1,768
Total accumulated amortization $ (1,768) $ (1,768)
Noncompete Agreements [Member] | Minimum [Member]    
Amortization period (Year) 2 years  
Noncompete Agreements [Member] | Maximum [Member]    
Amortization period (Year) 5 years