XML 20 R9.htm IDEA: XBRL DOCUMENT v3.21.2
Note 3 - Supplemental Cash Flow Information
9 Months Ended
Sep. 30, 2021
Notes to Financial Statements  
Cash Flow, Supplemental Disclosures [Text Block]
 

(3)

Supplemental Cash Flow Information

 

   

Nine Months Ended

 
   

September 30,

 
   

2021

   

2020

 
   

(in thousands)

 

Cash paid for:

               

Interest

  $ 39     $ 55  

Income taxes, net of refunds

    4,274       1,454  
                 

Non-cash investing and financing activities:

               

Capital additions accrued but not yet paid

  $ 225     $ 225