XML 21 R9.htm IDEA: XBRL DOCUMENT v3.21.2
Note 3 - Cash, Cash Equivalents and Restricted Cash
6 Months Ended
Jun. 30, 2021
Notes to Financial Statements  
Cash, Cash Equivalents, and Short-term Investments [Text Block]

3. Cash, Cash Equivalents and Restricted Cash

 

Cash, cash equivalents and restricted cash consisted of the following (in thousands):

 

  

June 30, 2021

  

December 31, 2020

 

Cash

 $2,778  $6,509 

Cash equivalents (see detail in Note 4)

  6,114   6,114 

Restricted cash

  337   337 

Total cash and cash equivalents

  9,229   12,960