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Net Loss per Share - Computation of Basic and Diluted Net Loss per Share Attributable to Common Stockholders (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Numerator:
Net loss applicable to common stockholders	$ (55,240)	$ (2,438,981)
Denominator:
Weighted average common shares outstanding, basic	15,347,039	15,311,220
Weighted average common shares outstanding, diluted	15,347,039	15,311,220
Net loss per share:
Basic	$ 0.00	$ (0.16)
Diluted	$ 0.00	$ (0.16)
Anti-dilutive securities excluded from diluted net loss per share:
Anti-dilutive securities excluded from diluted net loss per share	2,966,513	3,506,631
Stock options [Member]
Anti-dilutive securities excluded from diluted net loss per share:
Anti-dilutive securities excluded from diluted net loss per share	2,445,453	1,773,066
Warrants [Member]
Anti-dilutive securities excluded from diluted net loss per share:
Anti-dilutive securities excluded from diluted net loss per share	521,060	1,733,565

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Anti-dilutive securities excluded from diluted net income (loss) per share.

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