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Share-Based Compensation (Tables)
6 Months Ended
Jun. 30, 2012
Share-based Compensation [Abstract]  
Schedule of Fair Value of Option Grants
The fair value of each option grant is estimated on the date of grant using the Black-Scholes option pricing model with the following assumptions:
 
Quarters Ended June 30,
 
Six Months Ended June 30,
 
2012
 
2011
 
2012
 
2011
 
 
 
(1)
 
 
 
 
Weighted average expected life (years)
6.0

 

 
6.0

 
8.4

Risk-free interest rate
0.96
%
 
%
 
0.96
%
 
3.32
%
Expected volatility
310.09
%
 
%
 
310.09
%
 
96.23
%
Expected dividend yield
%
 
%
 
%
 
%
__________________
(1) There were no option grants during this period.
Schedule of Stock Option Activity
A summary of stock option activity for the six months ended June 30, 2012 is as follows:
 
Options
 
Weighted-Average Exercise Price per Share
 
Weighted-Average Remaining Contractual Term (in years)
 
Aggregate Intrinsic Value
Outstanding on December 31, 2011
1,190,570

 
$
0.33

 
                                      
 
 
Granted
100,000

 
0.25

 
 
 
 
Exercised

 

 
 
 
 
Forfeited/canceled
(13,820
)
 
0.62

 
 
 
 
Outstanding on June 30, 2012
1,276,750

 
$
0.32

 
3.4

 
$
26,945

Exercisable on June 30, 2012
1,010,660

 
$
0.30

 
2.5

 
$
26,945

Schedule of Nonvested Share Activity
A summary of the status of the Company's non-vested stock options as of June 30, 2012 and changes during the six months then ended are presented below:
 
Shares
 
Weighted-Average Grant Date Fair Value per Share
Non-vested stock options at December 31, 2011
179,910

 
$
0.44

Non-vested stock options granted
100,000

 
0.25

Vested stock options

 

Forfeited stock options
(13,820
)
 
0.59

Non-vested stock options at June 30, 2012
266,090

 
0.36