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Net Income (Loss) Per Share Applicable to Common Stockholders - Net income (loss) per share applicable to common stockholders (Details) (USD $)
3 Months Ended 12 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Dec. 31, 2013
Numerator:      
Net income (loss) $ (71,424) $ 74,802 $ (620,493)
Basic 4,897,896 4,861,063  
Diluted 4,897,896 4,871,992  
Net income (loss) per share:      
Basic $ (0.01) $ 0.02  
Diluted $ (0.01) $ 0.02