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Equity Plan (Tables)
9 Months Ended
Sep. 30, 2014
Equity Plan  
Schedule of stock option activity under the equity plans

 

Total Stock Options
  Number
of Shares
  Weighted
Average
Exercise
Price
  Weighted
Average
Remaining
Contractual
Life (Years)
  Aggregate
Intrinsic
Value
 

Outstanding at January 1, 2014

    1,506,504   $ 11.80              

Granted

    312,050   $ 8.07              

Exercised

    (9,042 ) $ 4.63              

Forfeited or expired

    (74,495 ) $ 10.98              
                         

Outstanding at September 30, 2014

    1,735,017   $ 11.21     5.9   $ 1,990,300  
                     
                     

Vested or expected to vest

    1,648,266           5.9   $ 1,890,785  
                     
                     

Exercisable at September 30, 2014

    1,195,994           4.6   $ 1,458,800  
                     
                     
Schedule of restricted stock activity under the equity plans

 

Total Restricted Stock Award
  Number
of Shares
  Weighted
Average
Grant Date
Fair Value
 

Nonvested shares at January 1, 2014

    58,000   $ 6.28  

Granted

    15,000   $ 8.23  

Exercised

    (48,000 ) $ 6.23  
             

Nonvested shares at September 30, 2014

    25,000   $ 7.54