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Note 8 - Prepaid Expenses and Other Current Assets
12 Months Ended
Dec. 31, 2016
Notes to Financial Statements  
Prepaid Expenses And Other Current Assets [Text Block]
8.
PREPAID EXPENSES AND OTHER CURRENT ASSETS
 
(In Thousands)
 
    December 31
   
2016
  2015
As Adjusted
(note 2)
         
Prepaid expenses   $
420
    $
545
 
Other receivable    
368
     
158
 
Payment in advance    
202
     
230
 
Interest receivable    
48
     
94
 
Other    
68
     
73
 
                 
    $
1,106
    $
1,100