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Stockholders' Equity
3 Months Ended
Mar. 31, 2019
Equity [Abstract]  
Stockholders' Equity

9. Stockholders’ Equity

Common stock

The Company’s amended and restated certificate of incorporation dated October 25, 2016, authorizes the Company to issue 100,000,000 shares of common stock with a par value of $0.001 per share and 5,000,000 shares of preferred stock with a par value of $0.001 per share. The holders of common stock are entitled to receive dividends whenever funds and assets are legally available and when declared by the board of directors, subject to the prior rights of holders of all series of convertible preferred stock outstanding. No dividends were declared through March 31, 2019.

The Company had reserved shares of common stock for issuance as follows:

 

 

March 31,

 

 

December 31,

 

 

 

2019

 

 

2018

 

Options issued and outstanding

 

 

1,885,914

 

 

 

2,094,137

 

Unvested restricted stock units

 

 

896,759

 

 

 

547,891

 

Common stock warrants issued and outstanding

 

 

4,857

 

 

 

4,857

 

Shares available for grant under future stock plans

 

 

6,789,722

 

 

 

5,607,014

 

Total

 

 

9,577,252

 

 

 

8,253,899