Net and Comprehensive Loss Per Share Attributable to Common Stockholders - Schedule of Computation of Basic and Diluted Net and Comprehensive Loss Per Share (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Earnings Per Share [Abstract]
Net and comprehensive loss attributable to common stockholders	$ (4,315,323)	$ (23,270,514)
Weighted average common shares used in computing net and comprehensive loss per share attributable to common stockholders, basic and diluted	42,624,148	40,588,004
Net and comprehensive loss per share attributable to common stockholders, basic and diluted	$ (0.10)	$ (0.57)