Common Stock (Details) |
11 Months Ended | 12 Months Ended | |
|---|---|---|---|
|
Dec. 31, 2014
shares
|
Dec. 31, 2016
USD ($)
Vote
shares
|
Dec. 31, 2015
shares
|
|
| Common Stock | |||
| Common stock, shares authorized for issuance | 290,000,000 | 20,000,000 | |
| Preferred stock, shares authorized for issuance | 10,000,000 | 0 | |
| Number of votes per share of common stock | Vote | 1 | ||
| Dividends on common stock | $ | $ 0 | ||
| Shares of common stock reserved for issuance, on an as-converted basis | |||
| Convertible preferred stock, shares authorized | 8,921,438 | 0 | 14,274,741 |
| Shares available for future option grants | 837,547 | 2,475,600 | 2,559,499 |
| Outstanding options | 32,320 | 2,350,582 | 784,136 |
| Unvested restricted common stock (founders and early exercise of stock options) | 768,706 | 611,698 | 924,535 |
| Shares reserved for employee stock purchase plan | 200,000 | ||
| Total | 10,560,011 | 5,637,880 | 18,542,911 |
| Common Stock | |||
| Common Stock | |||
| Shares of common stock sold to founders | 1,046,749 | 384,866 | |