XML 49 R37.htm IDEA: XBRL DOCUMENT v3.23.2
Note 15 - Share-based Compensation (Tables)
6 Months Ended
Jun. 30, 2023
Notes Tables  
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]
  

Three Months Ended

  

Six Months Ended

 
  

June 30,

  

June 30,

 
  

2023

  

2022

  

2023

  

2022

 

Research and development expenses

 $496  $673  $1,021  $1,398 

Selling, general and administrative expenses

  1,726   2,150   3,487   4,374 

Total share-based compensation expense

 $2,222  $2,823  $4,508  $5,772