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Note 1 - Organization and Basis for Presentation (Tables)
9 Months Ended
Sep. 30, 2021
Notes Tables  
Disaggregation of Revenue [Table Text Block]
  

Three months ended September 30,

  

Nine months ended September 30,

 
                 
  

2021

  

2020

  

2021

  

2020

 
  

($ in thousands)

  

($ in thousands)

 
                 

Americas

 $25,299  $24,184  $76,327  $57,462 

Europe, Middle East and Africa

  10,535   10,039   31,200   28,339 

Asia Pacific

  2,534   2,193   7,394   6,017 

Total

 $38,368  $36,416  $114,921  $91,818