v3.24.1
Note 2 - Principles of Consolidation and Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2023
Notes Tables  
Schedule of Cash and Cash Equivalents [Table Text Block]
  

December 31,

 
  

2023

  

2022

 
  

(in thousands)

 

Cash and cash equivalents

 $18,713  $520 

Restricted cash

  -   - 

Restricted cash, noncurrent

  5   1,001 
  $18,718  $1,521