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Stock-based Compensation (Tables)
 3 Months Ended
Mar. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Schedule of Option and Warrant Activity
The following unaudited tables summarize option and warrant activity during the three months ended March 31, 2014.

   
Options
and
Warrants
Outstanding
    
Weighted
Average
Exercise
Price
  
             
Outstanding at December 31, 2013
     43,068,136     $ 0.47  
Options granted
     --       --  
Warrants issued
     --       --  
Expired
     (4,500 )     4.00  
Forfeited
     (200,000 )     1.20  
Exercised
     --       --  
                 
Outstanding at March 31, 2014
     42,863,636     $ 0.47  

Schedule of Information About Stock Options and Warrants
The following table summarizes information about stock options and warrants outstanding at March 31, 2014.
 
     
Outstanding
    
Exercisable
  
           
Weighted
Average
Remaining
    
Weighted
Average
          
Weighted
Average
  
Range of
Exercise Prices
    
Number
Outstanding
    
Contractual
Life (years)
    
Exercise
Price
    
Number
Exercisable
    
Exercise
Price
  
$ 0.25-0.95       40,024,414       3.10     $ 0.42       39,941,081     $ 0.42  
  1.00-1.59       2,509,222       2.21       1.03       2,494,555       1.03  
  2.25-2.90       330,000       1.72       2.50       330,000       2.50  
$ 0.25-2.90       42,863,636       3.03     $ 0.47       42,765,636     $ 0.47  

Schedule of Restricted Stock Unit Activity
The following is a summary of restricted stock unit activity for the three months ended March 31, 2014.

   
Restricted
Stock Units
    
Weighted
Average
Grant
Date Fair
Value
  
             
Outstanding at December 31, 2013
     3,093,247     $ 0.88  
Awarded at fair value
     --       --  
Canceled/Forfeited
     --       --  
Settled by issuance of stock
     (608,553 )     0.51  
Outstanding at March 31, 2014
     2,484,694     $ 0.97  
Vested at March 31, 2014
     2,484,694     $ 0.97  

Warrant [Member]
  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Schedule of Assumptions Used to Value Awards
The fair values for the warrants issued for the three months ended March 31, 2013 estimated at the date of issuance using the Black-Scholes option-pricing model with the following weighted average assumptions:
 
 
Three Months Ended
March 31, 2013
Risk free interest rate
0.65%
Expected life (in years)
4.42
Expected volatility
90.68%
Expected dividend yield
0.00%