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Note 3 - Intangible Assets, Net (Tables)
6 Months Ended
Jun. 30, 2022
Notes Tables  
Schedule of Finite-Lived Intangible Assets [Table Text Block]
  

Amortization period (in years)

  

June 30, 2022

  

December 31, 2021

 

Gross amount:

            

Software developed for internal use

  3  $11,757   9,552 

Acquired proprietary technology

  3-5   15,824   14,844 

Customer relationships

  5-10   38,068   37,886 

Trade names

  4-20   16,657   16,657 

Domain names

  20   195   191 

Databases

  5-10   31,292   31,292 

Non-competition agreements

  2-5   1,768   1,768 

Total gross amount

      115,561   112,190 

Accumulated amortization:

            

Software developed for internal use

      (6,546)  (5,263)

Acquired proprietary technology

      (13,851)  (13,402)

Customer relationships

      (32,685)  (29,948)

Trade names

      (5,592)  (5,145)

Domain names

      (63)  (58)

Databases

      (22,184)  (20,859)

Non-competition agreements

      (1,768)  (1,768)

Total accumulated amortization

      (82,689)  (76,443)

Net intangible assets:

            

Software developed for internal use

      5,211   4,289 

Acquired proprietary technology

      1,973   1,442 

Customer relationships

      5,383   7,938 

Trade names

      11,065   11,512 

Domain names

      132   133 

Databases

      9,108   10,433 

Total intangible assets, net

     $32,872  $35,747 
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

Year

 

June 30, 2022

 

Remainder of 2022

 $5,453 

2023

  6,719 

2024

  6,615 

2025

  5,301 

2026

  1,385 

2027 and thereafter

  7,399 

Total

 $32,872