Summary of Significant Accounting Policies (Tables) |
9 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||
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Sep. 30, 2019 | |||||||||||||||||||||||||||||||||||||||||||||||||
| Accounting Policies [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule of Components of Inventories | The components of inventories are as follows (unaudited):
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| Schedule of Potentially Dilutive Securities not Included in Calculation of Diluted Net Loss Per Share Attributable to Common Stockholders | Potentially dilutive securities not included in the calculation of diluted net loss per share attributable to common stockholders because to do so would be anti-dilutive are as follows (in common stock equivalent shares):
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