Quarterly report pursuant to Section 13 or 15(d)

Unaudited Net (Loss) Income Per Share - Summary of Basic and Diluted Net (Loss) Income Per Share (Details)

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Unaudited Net (Loss) Income Per Share - Summary of Basic and Diluted Net (Loss) Income Per Share (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Numerator:        
Net income (loss) attributable to common stockholders $ 1,281,290 $ (119,160) $ (1,015,950) $ 217,296
Denominator:        
Weighted average common shares outstanding - basic 13,208,864 5,414,637 12,052,175 5,429,997
Effect of dilutive securities 1,340,490     4,110,493
Weighted average common shares outstanding - diluted 14,549,354 5,414,637 12,052,175 9,540,490
Net income (loss) per common share attributable to common stockholders:        
Basic $ 0.10 $ (0.02) $ (0.08) $ 0.04
Diluted $ 0.09 $ (0.02) $ (0.08) $ 0.02