Annual report pursuant to Section 13 and 15(d)

STOCK INCENTIVE PLAN (Details 2)

v3.3.1.900
STOCK INCENTIVE PLAN (Details 2) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Shares        
Beginning Balance 1,816,204 2,162,067    
Ending Balance 1,581,123 1,816,204 2,162,067  
Employee Stock Option [Member]        
Shares        
Beginning Balance 1,816,204 2,162,067 1,927,099  
Granted 10,000 25,000 735,750  
Exercised (163,994) (278,837) (410,983)  
Forfeited or expired (81,087) (92,026) (89,799)  
Ending Balance 1,581,123 1,816,204 2,162,067 1,927,099
Exercisable at end of period 947,573 663,417 514,751  
Expected to Vest 601,557 1,094,574 1,564,128  
Weighted Average Exercise Price        
Beginning Balance $ 4.88 $ 5.09 $ 4.37  
Granted 6.08 8.40 6.93  
Exercised 2.35 4.38 3.46  
Forfeited or expired 10.32 12.25 12.30  
Ending Balance 4.87 4.88 5.09 $ 4.37
Exercisable at end of period 4.92 5.32 6.29  
Expected to Vest 4.8 4.62 4.71  
Weighted Average Grant Date Fair value        
Beginning Balance 3.39 3.57 3.45  
Granted 1.98 4.73 4.90  
Exercised 1.53 3.43 2.47  
Forfeited or expired 6.93 7.89 7.43  
Ending Balance 3.39 3.39 3.57 $ 3.45
Exercisable at end of period 3.54 3.90 4.52  
Expected to Vest $ 3.15 $ 3.10 $ 3.28  
Weighted Average Remaining Contractual Term        
Contractual term 5 years 6 months 5 years 6 months   5 years 4 months 24 days
Exercisable at end of period 3 years 3 months 18 days 3 years 2 years 8 months 12 days  
Expected to Vest 5 years 7 months 6 days 5 years 10 months 24 days 6 years 4 months 24 days  
Outstanding 4 years 3 months 18 days 4 years 9 months 18 days 5 years 6 months  
Aggregate Intrinsic Value        
Beginning Balance $ 5,718 $ 8,491 $ 3,899  
Granted 0 0 1,303  
Exercised 589 1,260 1,883  
Forfeited or expired 12 43 72  
Ending Balance 1,738 5,718 8,491 $ 3,899
Exercisable at end of period 1,001 2,015 1,919  
Expected to Vest $ 700 $ 3,515 $ 6,240