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Summary of Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2019
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,
 
2019
 
2018
 
2017
Common stock options
2,403,055

 
1,781,388

 
38,675

Common stock warrants
10,231,006

 
11,631,636

 
7,534,576

Total
12,634,061

 
13,413,024

 
7,573,251