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Common Stock (Tables)

12 Months Ended

Dec. 31, 2020

Common Stock.

Schedule of reserved common stock

​

​	​	​
​	​	As of
​	​	December 31,
​		2020
Common shares reserved for exercise of pre-funded warrants	​	2,179,487
Common shares reserved for future issuance under the 2018 ESPP	​	795,849
Common shares reserved for exercise of outstanding stock options under the 2017 and 2018 Plans	​	3,679,931
Common shares reserved for future issuance under the 2018 Plan	​	1,962,992
​	​	8,618,259

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The tabular disclosure of reserved common stock.

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