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NOTE 9 - SHARE-BASED COMPENSATION (Tables)
6 Months Ended
Jun. 30, 2017
Note 9 - Share-based Compensation Tables  
Impact on operations of recording share-based compensation
   Three Months Ended  Six Months Ended
   Jun. 30,
2017
  Jun. 30,
2016
  Jun. 30,
2017
  Jun. 30,
2016
(in thousands)            
Cost of goods sold  $8   $6   $10   $8 
Research and development   63    41    88    60 
Selling, general and administrative   199    158    269    232 
Total share-based compensation  $270   $205   $367   $300 
                     
Impact on net earnings (loss) per share:                    
Basic and diluted  ($0.03)  ($0.03)  ($0.05)  ($0.04)
Equity award activity
     Three Months Ended      Six Months Ended
    Jun. 30,
2017
    Jun. 30,
2016
    Jun. 30,
2017
    Jun. 30,
2016
 
                     
Restricted Stock   223,600    212,100    235,600    222,100 
Future equity compensation expense
   Jun. 30,
2017
    
Unamortized future equity compensation expense (in thousands)  $2,392 
Remaining weighted average amortization period (in years)   3.29