XML 38 R28.htm IDEA: XBRL DOCUMENT v3.22.2
Note 12 - Stockholders' Equity (Tables)
6 Months Ended
Jun. 30, 2022
Notes Tables  
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]
  

Three Months Ended June 30,

  

Six Months Ended June 30,

 
  

2022

  

2021

  

2022

  

2021

 

Cost of product sales

 $23  $16  $48  $47 

Research and development cost

  18   11   36   53 

General and administrative expense

  493   592   1,055   1,198 

Total

 $534  $619  $1,139  $1,298