v2.4.0.6
Stock Based Compensation (Tables)
9 Months Ended
Sep. 30, 2012
Stock Based Compensation [Abstract]  
Stock option activity
The following table summarizes stock option activity for the nine months ended September 30, 2012:

 
 
Number of
Shares
 
 
Weighted
Average
Exercise
Price
 
 
Weighted
Average
Remaining
Contractual
Life in Years
 
 
Aggregate
Intrinsic
Value
 
 Options outstanding at December 31, 2011
 
 
891,751
 
 
$
5.15
 
 
 
 
 
 
 
 Granted
 
 
932,384
 
 
 
3.63
 
 
 
 
 
 
 
 Exercised
 
 
-
 
 
 
-
 
 
 
 
 
 
 
 Forfeited
 
 
(78,525
)
 
 
3.03
 
 
 
 
 
 
 
 Cancelled
 
 
(55,251
)
 
 
18.93
 
 
 
 
 
 
 
 Options outstanding at September 30, 2012
 
 
1,690,359
 
 
 
3.96
 
 
 
8.11
 
 
$
1,600,309
 
 Vested and expected to vest at September 30, 2012
 
 
1,558,961
 
 
 
4.00
 
 
 
7.97
 
 
$
1,464,563
 
 Exercisable at September 30, 2012
 
 
310,000
 
 
 
5.72
 
 
 
1.51
 
 
$
156,712
 
Non vested
1,380,359
Weighted average remaining recognition period (in years)3.65
 
Fair value and assumptions used in determining fair value of stock options
The Company calculates the fair value of stock options based upon the Black-Scholes-Merton valuation model. The following table summarizes the fair value and assumptions used in determining the fair value of stock options issued during the nine months ended September 30, 2012.

Volatility
 
 
1.2
%
Risk-free interest rate
 
 
0.6
%
Dividend yield
 
 
0.0
%
Expected option term (in years)
 
 
6.25
 
 
RSU activity
No RS was issued or outstanding during the nine months ended September 30, 2012. A summary of RSU activity for the nine months ended September 30, 2012 is as follows:
 
 
 
 
 
 
Weighted
 
 
 
Number of
 
 
Average
 
 
 
RSU's
 
 
Grant Price
 
Outstanding at December 31, 2011
 
 
487,025
 
 
$
6.37
 
Granted
 
 
61,011
 
 
 
3.44
 
Released
 
 
(43,819
)
 
 
5.98
 
Forfeited
 
 
(8,559
)
 
 
5.78
 
Outstanding at September 30, 2012
 
 
495,658
 
 
$
5.11
 
Expected to Vest
 
 
351,013
 
 
$
5.68