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Note C - Accounts and Other Receivables
12 Months Ended
Dec. 31, 2019
Notes to Financial Statements  
Loans, Notes, Trade and Other Receivables Disclosure [Text Block]
C.
Accounts and Other Receivables
 
Accounts and other receivables consist of the following (in thousands):
 
   
December 31,
 
   
2019
   
2018
 
Accounts receivable
  $
1,681
    $
-
 
Other receivables
   
184
     
140
 
Total accounts and other receivables
  $
1,865
    $
140