XML 31 R18.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Net Loss Per Share Attributable to Common Stockholders | 12 Months Ended
--- | ---
Dec. 31, 2021
Earnings Per Share [Abstract] |
Net Loss Per Share Attributable to Common Stockholders | 12. Net Loss Per Share Attributable to Common Stockholders The following table sets forth the computation of basic and diluted net loss per share attributable to common stockholders (in thousands, except share and per share data):
|  | Year Ended December 31, |
|  | 2021 |  |  | 2020 |  |  | 2019 |
Numerator: |  |  |  |  |  |  |  |  |  |  |  |
Net loss attributable to common stockholders |  | $ | (49,762 | ) |  | $ | (34,495 | ) |  | $ | (41,975 | )
Denominator: |  |  |  |  |  |  |  |  |  |  |  |
Weighted-average shares outstanding |  |  | 35,262,987 |  |  |  | 24,783,287 |  |  |  | 12,669,367 |
Less: weighted-average shares of restricted stock that are subject to repurchase |  |  | (10,544 | ) |  |  | (61,512 | ) |  |  | (172,410 | )
Weighted-average shares used in computing net loss per share attributable to common stock, basic and diluted |  |  | 35,252,443 |  |  |  | 24,721,775 |  |  |  | 12,496,957 |
Net loss per share attributable to common stockholders, basic and diluted |  | $ | (1.41 | ) |  | $ | (1.40 | ) |  | $ | (3.36 | )
The following outstanding shares of potentially dilutive securities were excluded from the computation of diluted net loss per share attributable to common stockholders for the periods presented because including them would have been antidilutive:
|  | As of December 31, |
|  | 2021 |  |  | 2020 |  |  | 2019 |
Options to purchase common stock |  |  | 3,620,666 |  |  |  | 2,591,456 |  |  |  | 1,962,332 |
Restricted stock |  |  | — |  |  |  | 14,625 |  |  |  | 14,625 |
Restricted stock acquired upon early exercise of stock options |  |  | — |  |  |  | 14,460 |  |  |  | 84,964 |
Total |  |  | 3,620,666 |  |  |  | 2,620,541 |  |  |  | 2,061,921 |

X
- References No definition available. + Details
Name: | us-gaap_EarningsPerShareAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=109243012&loc=SL65017193-207537 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -URI http://asc.fasb.org/topic&trid=2144383 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=124432515&loc=d3e3630-109257 + Details
Name: | us-gaap_EarningsPerShareTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration