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Summary of Significant Accounting Policies - Reconciliation of Numerators and Denominators used in Computing Basic and Diluted Net Income Per Share (Detail) - USD ($)	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Accounting Policies [Abstract]
Net income (loss)	$ (2,897,976)	$ (1,167,886)
Numerator, basic and diluted net income (loss) available to stockholders	$ (2,897,976)	$ (1,167,886)
Shares used in computation – basic:
Weighted average common shares outstanding	9,517,664	9,222,199
Common shares outstanding for basic	9,517,664	9,222,199
Additional shares used in computation – diluted:
Common shares outstanding for basic	9,517,664	9,222,199
Shares used in computing diluted net income per share	9,517,664	9,222,199
Net (loss) per share – basic	$ (0.30)	$ (0.13)
Net (loss) per share – diluted	$ (0.30)	$ (0.13)

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