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Subsequent Events (Details) (USD $)
 6 Months Ended 0 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jul. 15, 2013
Subsequent Event [Member]
Jun. 30, 2013
Subsequent Event [Member]
Subsequent Events (Textual)        
Warrants exercised to purchase common stock       471,729
Common stock shares received on warrants exercises       377,163
Proceeds from exercise of warrants $ 200,000 $ 8,000 $ 23,609 $ 17,420
Common stock issuable upon exercise of warrants 578,066     5,572
Warrants, exercise price       $ 3.13
Employee exercised stock options, exercise price     $ 4.25  
Number of employee exercised stock options to issued common stock     5,555  
Intrinsic value of option exercised     $ 22,000