Annual report pursuant to Section 13 and 15(d)

STOCK INCENTIVE PLAN (Details 2)

v3.8.0.1
STOCK INCENTIVE PLAN (Details 2) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 12 Months Ended
Sep. 30, 2008
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Shares          
Beginning Balance   1,720,000 1,581,123    
Exercised (1,741,854)        
Ending Balance   1,428,462 1,720,000 1,581,123  
Exercisable at end of period   934,959      
Weighted Average Exercise Price          
Ending Balance   $ 5.20      
Weighted Average Remaining Contractual Term          
Outstanding   3 years 8 months 12 days      
Employee Stock Option [Member]          
Shares          
Beginning Balance   1,720,000 1,581,123 1,816,204  
Granted   0 549,500 10,000  
Exercised   (127,663) (336,996) (163,994)  
Forfeited or expired   (163,875) (73,627) (81,087)  
Ending Balance   1,428,462 1,720,000 1,581,123 1,816,204
Exercisable at end of period   934,959 841,625 947,573  
Expected to Vest   468,581 601,557    
Weighted Average Exercise Price          
Beginning Balance   $ 5.12 $ 4.87 $ 4.88  
Granted     4.85 6.08  
Exercised   4.02 2.95 2.35  
Forfeited or expired   5.75 8.06 10.32  
Ending Balance   5.2 5.12 4.87 $ 4.88
Exercisable at end of period   5.66 5.56 4.92  
Expected to Vest   5.21 4.8    
Weighted Average Grant Date Fair value          
Beginning Balance   2.89 3.39 3.39  
Granted     1.33 1.98  
Exercised   2.03 2.02 1.53  
Forfeited or expired   2.99 3.07 6.93  
Ending Balance   2.96 2.89 3.39 $ 3.39
Exercisable at end of period   3.77 3.94 $ 3.54  
Expected to Vest   $ 2.98 $ 3.15    
Weighted Average Remaining Contractual Term          
Outstanding   3 years 8 months 12 days 4 years 6 months 4 years 3 months 18 days 5 years 6 months
Exercisable at end of period   2 years 8 months 12 days 2 years 10 months 24 days 3 years 3 months 18 days  
Expected to Vest   3 years 8 months 12 days 5 years 7 months 6 days    
Aggregate Intrinsic Value          
Beginning Balance   $ 2,428 $ 1,738 $ 5,718  
Granted     0 0  
Exercised   401 1,418 589  
Forfeited or expired   136 3 12  
Ending Balance   653 2,428 1,738 $ 5,718
Exercisable at end of period   414 948 $ 1,001  
Expected to Vest   $ 239 $ 700