v3.23.2
Note 1 - Organization and Summary of Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2022
Notes Tables  
Schedule of Cash and Cash Equivalents [Table Text Block]
  

Balance as of

 
  

December 31, 2022

  

December 31, 2021

 

Cash and cash equivalents

 $15,275  $7,663 

Restricted cash

  5,000    

Restricted cash, net of current portion

     5,000 

Total cash, cash equivalents, and restricted cash

 $20,275  $12,663