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Stock Option Plans (Details) (USD $)
3 Months Ended 12 Months Ended
Mar. 31, 2013
Dec. 31, 2012
Summary of option activity for employees and non-employees    
Number of Options, Beginning Balance 1,283,741  
Number of Options, Granted     
Number of Options, Exercised     
Number of Options, Forfeited or expired 8,333  
Number of Options, Ending Balance 1,275,408 1,283,741
Number of Options, Exercisable 862,953  
Weighted Averaged Exercise Price, Beginning Balance $ 0.79  
Weighted Averaged Exercise Price, Granted     
Weighted Averaged Exercise Price, Exercised     
Weighted Averaged Exercise Price, Forfeited or expired $ 1.57  
Weighted Averaged Exercise Price, Ending Balance $ 0.86 $ 0.79
Weighted Averaged Exercise Price, Exercisable $ 0.84  
Weighted Average Remaining Contractual Life (Years), Beginning Balance 2 years 10 months 2 days 3 years 26 days
Weighted Average Remaining Contractual Life (Years), Granted     
Weighted Average Remaining Contractual Life (Years), Exercised     
Weighted Average Remaining Contractual Life (Years), Forfeited or expired     
Weighted Average Remaining Contractual Life (Years), Exercisable 2 years 3 months  
Aggregate Intrinsic Options Value, Beginning Balance $ 768,692  
Aggregate Intrinsic Options Value, Ending Balance 327,133 768,692
Aggregate Intrinsic Options Value, Exercisable 225,864  
Option Activity For Non Employees
   
Summary of option activity for employees and non-employees    
Number of Options, Beginning Balance 239,999  
Number of Options, Granted     
Number of Options, Exercised     
Number of Options, Forfeited or expired     
Number of Options, Ending Balance 239,999 239,999
Number of Options, Exercisable 274,443  
Weighted Averaged Exercise Price, Beginning Balance $ 1.56  
Weighted Averaged Exercise Price, Granted     
Weighted Averaged Exercise Price, Exercised     
Weighted Averaged Exercise Price, Forfeited or expired     
Weighted Averaged Exercise Price, Ending Balance $ 1.04 $ 1.56
Weighted Averaged Exercise Price, Exercisable $ 1.04  
Weighted Average Remaining Contractual Life (Years), Beginning Balance 1 year 26 days 1 year 3 months 26 days
Weighted Average Remaining Contractual Life (Years), Granted     
Weighted Average Remaining Contractual Life (Years), Exercised     
Weighted Average Remaining Contractual Life (Years), Forfeited or expired     
Weighted Average Remaining Contractual Life (Years), Exercisable 1 year 15 days  
Aggregate Intrinsic Options Value, Beginning Balance 168,166  
Aggregate Intrinsic Options Value, Ending Balance 100,700 168,166
Aggregate Intrinsic Options Value, Exercisable $ 100,672