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Note 3 - Intangible Assets, Net (Tables)
6 Months Ended
Jun. 30, 2021
Notes Tables  
Schedule of Finite-Lived Intangible Assets [Table Text Block]
  

Amortization period (in years)

  

June 30, 2021

  

December 31, 2020

 

Gross amount:

            

Software developed for internal use

  3  $8,381  $7,376 

Acquired proprietary technology

  3-5   14,845   14,788 

Customer relationships

  5-10   37,886   37,886 

Trade names

  4-20   16,657   16,657 

Domain names

  20   191   191 

Databases

  5-10   31,292   31,292 

Non-competition agreements

  2-5   1,768   1,768 

Total gross amount

      111,020   109,958 

Accumulated amortization:

            

Software developed for internal use

      (4,249)  (3,551)

Acquired proprietary technology

      (12,936)  (12,474)

Customer relationships

      (27,303)  (24,657)

Trade names

      (4,699)  (4,252)

Domain names

      (53)  (48)

Databases

      (19,534)  (17,791)

Non-competition agreements

      (1,768)  (1,768)

Total accumulated amortization

      (70,542)  (64,541)

Net intangible assets:

            

Software developed for internal use

      4,132   3,825 

Acquired proprietary technology

      1,909   2,314 

Customer relationships

      10,583   13,229 

Trade names

      11,958   12,405 

Domain names

      138   143 

Databases

      11,758   13,501 

Total intangible assets, net

     $40,478  $45,417 
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

Year

 

June 30, 2021

 

Remainder of 2021

 $6,059 

2022

  11,852 

2023

  5,504 

2024

  4,602 

2025

  4,024 

2026 and thereafter

  8,437 

Total

 $40,478