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Note 8 - Intangible Assets - Intangible Assets (Details) - USD ($)
$ in Thousands
Mar. 31, 2025
Dec. 31, 2024
Intangible assets accumulated amortization $ 36,124 $ 34,442
Intangible assets, gross 80,207 76,607
Total accumulated impairment 2,200 2,116
Intangible assets, net 41,883 40,049
Trade Names [Member]    
Intangible assets not subject to amortization 19,267 16,167
Indefinite-Lived, accumulated impairment 2,200 2,116
Intangible assets not subject to amortization, net 17,067 14,051
Database Rights [Member]    
Intangible assets subject to amortization 4,918 4,918
Intangible assets accumulated amortization 4,918 4,918
Finite-Lived, accumulated impairment 0 0
Intangible assets subject to amortization, net 0 0
Service Agreements [Member]    
Intangible assets subject to amortization 3,680 3,680
Intangible assets accumulated amortization 3,680 3,680
Finite-Lived, accumulated impairment 0 0
Intangible assets subject to amortization, net 0 0
Customer Relationships [Member]    
Intangible assets subject to amortization 51,742 51,242
Intangible assets accumulated amortization 27,432 25,765
Finite-Lived, accumulated impairment 0 0
Intangible assets subject to amortization, net 24,310 25,477
Developed Technology Rights [Member]    
Intangible assets subject to amortization 600 600
Intangible assets accumulated amortization 94 79
Finite-Lived, accumulated impairment 0 0
Intangible assets subject to amortization, net $ 506 $ 521