XML 67 R29.htm IDEA: XBRL DOCUMENT v2.4.0.8
Stock Options (Details) (USD $)
 6 Months Ended
Jun. 30, 2013
Number of Shares, Outstanding at January 1, 2013 (in shares) 2,986,057
Number of Shares, Granted (in shares) 1,014,022
Number of Shares, Exercised (in shares) (75,500)
Number of Shares, Forfeited/Expired (in shares) (423,444)
Number of Shares, Outstanding at June 30, 2013 (in shares) 3,501,135
Number of Shares, Exercisable at June 30, 2013 (in shares) 1,227,557
Number of Shares, Vested and expected to vest at June 30, 2013 (in shares) 3,501,135
Weighted - Average Exercise Price, Outstanding at January 1, 2013 (in dollars per share) $ 2.75
Weighted - Average Exercise Price, Granted (in dollars per shares) $ 3.39
Weighted - Average Exercise Price, Exercised (in dollars per share) $ 1.72
Weighted - Average Exercise Price, Forfeited/Expired (in dollars per share) $ 2.99
Weighted - Average Exercise Price, Outstanding at June 30, 2013 (in dollars per share) $ 2.93
Weighted - Average Exercise Price, Exercisable at June 30, 2013 (in dollars per share) $ 2.75
Weighted - Average Exercise Price,Vested and expected to vest at June 30, 2013 (in dollars per share) $ 2.93
Weighted - Average Remaining Contractual Term, Outstanding at June 30, 2013 (in years) 4 years 6 months 22 days
Weighted - Average Remaining Contractual Term, Exercisable at June 30, 2013 (in years) 1 year 10 months 10 days
Weighted - Average Remaining Contractual Term, Vested and expected to vest at June 30, 2013 (in years) 4 years 6 months 22 days
Aggregate Intrinsic Value, Outstanding at June 30, 2013 $ 1,705,812
Aggregate Intrinsic Value, Exercisable at June 30, 2013 965,662
Aggregate Intrinsic Value, Vested and expected to vest at June 30, 2013 $ 1,705,812