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Net Loss Per Share (Details) - USD ($)
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Numerator:    
Net loss attributable to common stockholders $ (18,950,023) $ (7,381,475)
Denominator:    
Weighted-average common shares outstanding 26,636,250 10,424,481
Basic and diluted net loss per share $ (0.71) $ (0.71)