Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2020

Accounting Policies [Abstract]

Schedule of Estimated Useful Lives of Assets

Depreciation of property and equipment is calculated using the straight-line method over the estimated useful lives of the assets, as follows:

Computer equipment	3 years
Office and other equipment	6 years
Laboratory equipment	6 years
Leasehold improvements	The lesser of the lease term or the life of the asset

Schedule of Potentially Dilutive Securities Excluded from Earnings Per Share Calculation

The following table presents the weighted average number of common share equivalents, calculated using the treasury stock method, not included in the calculation of diluted net loss per share due to the anti-dilutive effect of the securities:

	Year ended
	December 31,
	2020	2019	2018
Common stock options	2,503,294	2,403,055	1,781,388
Common stock warrants	9,210,824	10,231,006	11,631,636
Total	11,714,118	12,634,061	13,413,024