| Schedule of shares of common stock reserved for issuance, on an as-converted basis |
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December 31,
2016
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December 31,
2015
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December 31,
2014
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Convertible preferred stock
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—
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14,274,741
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8,921,438
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Shares available for future option grants
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2,475,600
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2,559,499
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837,547
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Outstanding options
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2,350,582
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784,136
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32,320
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Unvested restricted common stock (founders and early exercise of stock options)
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611,698
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924,535
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768,706
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Shares reserved for employee stock purchase plan
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200,000
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—
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—
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Total
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5,637,880
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18,542,911
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10,560,011
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