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NOTE 9 - SHARE-BASED COMPENSATION (Tables)
9 Months Ended
Sep. 30, 2018
Note 9 - Share-based Compensation  
Impact on operations of recording share-based compensation
   Three Months Ended  Nine Months Ended
   Sep. 30,
2018
  Sep. 30,
2017
  Sep. 30,
2018
  Sep. 30,
2017
(in thousands)            
Cost of goods sold  $4   $4   $19   $14 
Research and development   56    39    205    127 
Selling, general and administrative   222    130    708    399 
Total share-based compensation  $282   $173   $932   $540 
Equity award activity
   Three Months Ended  Nine Months Ended
   Sep. 30,
2018
  Sep. 30,
2017
  Sep. 30,
2018
  Sep. 30,
2017
Restricted Stock   1,000    51,000    206,856    286,600 
Stock Options   —      25,000    —      25,000 
Future equity compensation expense
   Sep. 30,
2018
Unamortized future equity compensation expense (in thousands)  $3,096 
Remaining weighted average amortization period (in years)   2.83