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Employment and Stock Option Agreements - Summary of stock option (Details) (Stock Options, USD $)
 12 Months Ended 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2013
Exercise Price $ 1.25
Dec. 31, 2013
Exercise Price $ 1.00
Dec. 31, 2012
Exercise Price $ 1.00
Dec. 31, 2013
Exercise Price $ 0.62
Dec. 31, 2013
Exercise Price $ 0.17
Dec. 31, 2013
Exercise Price $ 0.25
Dec. 31, 2013
Exercise Price $ 0.35
Dec. 31, 2013
Exercise Price $ 0.30
Dec. 31, 2013
Exercise Price $ 0.45
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                          
Exercise Price (in dollars per share) $ 0.85 $ 0.88 $ 1.12 $ 1.10 $ 1.25 $ 1.00 $ 1.00 $ 0.62 $ 0.17 $ 0.25 $ 0.35 $ 0.30 $ 0.45
Number Outstanding 3,015,000 2,830,000 2,430,000 2,440,000 1,605,000 45,000 45,000 500,000 500,000 180,000 100,000 60,000 25,000
Remaining Contractual Life         4 years 6 years   6 years 9 years 10 years 10 years 10 years 10 years
Number Exercisable 2,820,416 2,198,750 2,401,250   1,605,000 33,750   500,000 500,000 120,000 33,333 20,000 8,333