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Net loss per share (Tables) | 12 Months Ended
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Sep. 29, 2018
Earnings Per Share [Abstract] |
Schedule of net loss per share, basic | The following table sets forth the computation of the Company’s basic and diluted net loss per share:
| 2018 |  | 2017 |  | 2016
(In thousands, except share and per share data) |  |  |  |  |
Numerator: |  |  |  |  |
Net loss attributable to common stockholders—basic and diluted | $ | (15,604 | ) |  | $ | (14,217 | ) |  | $ | (38,214 | )
Denominator: |  |  |  |  |
Weighted-average shares of common stock—basic and diluted | 65,706,215 |  |  | 56,314,546 |  |  | 53,873,051 |
Net loss per share attributable to common stockholders: |  |  |  |  |
Net loss per share attributable to common stockholders—basic and diluted | $ | (0.24 | ) |  | $ | (0.25 | ) |  | $ | (0.71 | )
Schedule of net loss per share, diluted | The following table sets forth the computation of the Company’s basic and diluted net loss per share:
| 2018 |  | 2017 |  | 2016
(In thousands, except share and per share data) |  |  |  |  |
Numerator: |  |  |  |  |
Net loss attributable to common stockholders—basic and diluted | $ | (15,604 | ) |  | $ | (14,217 | ) |  | $ | (38,214 | )
Denominator: |  |  |  |  |
Weighted-average shares of common stock—basic and diluted | 65,706,215 |  |  | 56,314,546 |  |  | 53,873,051 |
Net loss per share attributable to common stockholders: |  |  |  |  |
Net loss per share attributable to common stockholders—basic and diluted | $ | (0.24 | ) |  | $ | (0.25 | ) |  | $ | (0.71 | )
Schedule of potentially dilutive shares excluded from computation of diluted earnings per share | The following potentially dilutive shares as of the end of each period presented were excluded from the computation of diluted net loss per share for the periods presented because including them would have been antidilutive:
| 2018 |  | 2017 |  | 2016
Stock options to purchase common stock | 48,504,182 |  |  | 45,817,252 |  |  | 45,940,594 |
Convertible preferred stock | — |  |  | 32,482,590 |  |  | 32,482,590 |
Shares subject to repurchase | — |  |  | 53,892 |  |  | 53,892 |
Total | 48,504,182 |  |  | 78,353,734 |  |  | 78,477,076 |

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- Definition Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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