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Note 3 - Supplemental Cash Flow Information
3 Months Ended
Mar. 31, 2020
Notes to Financial Statements  
Cash Flow, Supplemental Disclosures [Text Block]
(
3
)
Supplemental Cash Flow Information
 
    Three Months Ended
    March 31,
    2020   2019
    (in thousands)
Cash paid for:                
Interest   $
12
    $
47
 
Income taxes, net of refunds   $
-
    $
(156
)
                 
Non-cash investing and financing activities:                
Capital additions accrued but not yet paid   $
232
    $
108
 
Recognition of lease asset and liability   $
-
    $
3,831