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Stockholders' Equity
6 Months Ended
Jun. 30, 2021
Equity [Abstract]  
Stockholders' Equity Stockholders’ Equity
Common Stock
Of the 500,000,000 shares of common stock authorized, 27,432,609 shares were issued and outstanding as of June 30, 2021. Common stock reserved for future issuance upon the exercise, issuance or conversion of the respective equity instruments at June 30, 2021 are as follows:
 
Issued and Outstanding:
Stock options3,731,808 
Shares Reserved For:
2017 Equity Incentive Plan
3,192,182 
2017 Employee Stock Purchase Plan1,271,237 
Total8,195,227