XML 44 R29.htm IDEA: XBRL DOCUMENT v3.20.4
Note 6 - Fair Value Measurements (Tables)
12 Months Ended
Dec. 31, 2020
Notes Tables  
Fair Value, Assets Measured on Recurring Basis [Table Text Block]
  

December 31, 2020

  

December 31, 2019

 

(in thousands)

 

Level 1

  

Level 2

  

Level 3

  

Level 1

  

Level 2

  

Level 3

 
                         

Financial Assets:

                        

Cash and cash equivalents

                        

Money market mutual funds

 $55,378  $-  $-  $68,962  $-  $- 

Total

 $55,378  $-  $-  $68,962  $-  $-