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NOTE 11 - SHARE-BASED COMPENSATION (Tables)
12 Months Ended
Dec. 31, 2015
Note 11 - Share-based Compensation Tables  
Impact on operations of recording share-based compensation
   Year Ended December  31,
   2015  2014
(in thousands)      
Cost of goods sold  $13   $6 
Research and development   76    80 
Selling, general and administrative   346    314 
Total share-based compensation  $435   $400 
           
Impact on net income per share:          
Basic and diluted  ($0.05)  ($0.05)
Fair value of share-based awards for employee stock options
    Employee Stock Options 
    2015    2014 
           
Risk-free interest rates   —      1.31%
Volatility factors   —      0.51 
Expected life of the option in years   —      4.00 
Expected dividend yield   —      None 
Stock option grants
   2015  2014
   Options  Weighted-Average Exercise Price  Weighted-Average Remaining Contractual Life in Years  Options  Weighted-Average Exercise Price  Weighted-Average Remaining Contractual Life in Years
                   
Outstanding at beginning of year   606,187   $3.02         904,656   $3.49      
Granted   —      0.00         3,000    2.30      
Exercised   (20,625)   3.03         (31,250)   3.07      
Cancelled, Expired or                              
Forfeited   (11,562)   5.39         (270,219)   4.60      
Outstanding at end of year   574,000   $2.97    2.40    606,187   $3.02    3.29 
                               
Vested or expected to vest at the end of the period   564,527   $2.99    2.39    574,188   $3.07    3.25 
Exercisable at end of year   467,126   $3.19    2.24    383,001   $3.49    2.90 
Restricted stock award including performance-based stock award activity under our share-based compensation plan
   2015  2014
   Awards  Weighted - Average Grant Date Fair Value  Awards  Weighted - Average Grant Date Fair Value
Outstanding at beginning of year   320,900   $2.57    247,075   $2.18 
  Granted   193,800    3.16    189,900    2.88 
  Vested   (109,250)   2.58    (85,200)   2.22 
  Cancelled   (16,350)   2.60    (30,875)   2.28 
Outstanding at end of year   389,100   $2.86    320,900   $2.57 
                     
Unvested options grants and restricted stock awards
   December 31,
2015
  December 31,
2014
           
Unamortized future compensation expense  $1,028,961   $896,450 
Remaining weighted average amortization period in years   2.59    2.60