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CONSOLIDATED STATEMENTS OF REDEEMABLE CONVERTIBLE PREFERRED STOCK AND STOCKHOLDERS’ EQUITY (DEFICIT) - USD ($) $ in Thousands | Total | Common Stock | Additional Paid-In Capital | Treasury Stock | Accumulated Deficit | Accumulated Other Comprehensive Loss | Private placement | Private placement Common Stock | Private placement Additional Paid-In Capital | IPO | IPO Common Stock | IPO Additional Paid-In Capital
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Redeemable Convertible Preferred Stock, beginning balance (in shares) at Oct. 03, 2015 | 32,395,828 |  |  |  |  |  |  |  |  |  |  |
Redeemable Convertible Preferred Stock, beginning balance at Oct. 03, 2015 | $ 88,637 |  |  |  |  |  |  |  |  |  |  |
Increase (Decrease) in Temporary Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |
Net exercise of Series C preferred stock warrants (in shares) | 86,762 |  |  |  |  |  |  |  |  |  |  |
Net exercise of Series C preferred stock warrants | $ 1,704 |  |  |  |  |  |  |  |  |  |  |
Redeemable Convertible Preferred Stock, ending balance (in shares) at Oct. 01, 2016 | 32,482,590 |  |  |  |  |  |  |  |  |  |  |
Redeemable Convertible Preferred Stock, ending balance at Oct. 01, 2016 | $ 90,341 |  |  |  |  |  |  |  |  |  |  |
Balances, beginning of period (in shares) at Oct. 03, 2015 |  | 78,546,014 |  | (24,982,950) |  |  |  |  |  |  |  |
Balances, beginning of period at Oct. 03, 2015 | (19,859) | $ 79 | $ 333,459 | $ (218,345) | $ (135,576) | $ 524 |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |
Exercise of stock options (in shares) |  | 1,278,150 |  |  |  |  |  |  |  |  |  |
Exercise of stock options | 3,670 | $ 1 | 3,669 |  |  |  |  |  |  |  |  |
Retirement of treasury stock (in shares) |  | (24,982,950) |  |  |  |  |  |  |  |  |  |
Retirement of treasury stock | 0 | $ (25) | (218,320) |  |  |  |  |  |  |  |  |
Retirement of treasury stock (in shares) |  |  |  | 24,982,950 |  |  |  |  |  |  |  |
Retirement of treasury stock |  |  |  | $ 218,345 |  |  |  |  |  |  |  |
Purchase of treasury stock (in shares) |  |  |  | (7,780) |  |  |  |  |  |  |  |
Purchase of treasury stock | (145) |  |  | $ (145) |  |  |  |  |  |  |  |
Stock-based compensation expense | 25,963 |  | 25,963 |  |  |  |  |  |  |  |  |
Net loss | (38,214) |  |  |  | (38,214) |  |  |  |  |  |  |
Change in foreign currency translation adjustment | (203) |  |  |  |  | (203) |  |  |  |  |  |
Balances, ending of period (in shares) at Oct. 01, 2016 |  | 54,841,214 |  | (7,780) |  |  |  |  |  |  |  |
Balances, ending of period at Oct. 01, 2016 | $ (28,788) | $ 55 | 144,771 | $ (145) | (173,790) | 321 |  |  |  |  |  |
Redeemable Convertible Preferred Stock, ending balance (in shares) at Sep. 30, 2017 | 32,482,590 |  |  |  |  |  |  |  |  |  |  |
Redeemable Convertible Preferred Stock, ending balance at Sep. 30, 2017 | $ 90,341 |  |  |  |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |
Exercise of stock options (in shares) |  | 3,756,088 |  |  |  |  |  |  |  |  |  |
Exercise of stock options | 8,906 | $ 3 | 8,903 |  |  |  |  |  |  |  |  |
Purchase of treasury stock (in shares) |  |  |  | (738,682) |  |  | (738,682) |  |  |  |  |
Purchase of treasury stock | (10,016) |  |  | $ (10,016) |  |  | $ (10,000) |  |  |  |  |
Issuance of common, net of issuance/offering costs (in shares) |  |  |  |  |  |  | 742,034 | 742,034 |  |  |  |
Issuance of common, net of issuance/offering costs |  |  |  |  |  |  | $ 10,078 | $ 1 | $ 10,077 |  |  |
Stock-based compensation expense | 36,550 |  | 36,550 |  |  |  |  |  |  |  |  |
Net loss | (14,217) |  |  |  | (14,217) |  |  |  |  |  |  |
Change in foreign currency translation adjustment | $ (2,486) |  |  |  |  | (2,486) |  |  |  |  |  |
Balances, ending of period (in shares) at Sep. 30, 2017 | 58,592,874 | 59,339,336 |  | (746,462) |  |  |  |  |  |  |  |
Balances, ending of period at Sep. 30, 2017 | $ 27 | $ 59 | 200,301 | $ (10,161) | (188,007) | (2,165) |  |  |  |  |  |
Increase (Decrease) in Temporary Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |
Conversion of redeemable convertible preferred stock to common stock upon initial public offering (in shares) | (32,482,590) |  |  |  |  |  |  |  |  |  |  |
Conversion of redeemable convertible preferred stock to common stock upon initial public offering | $ (90,341) |  |  |  |  |  |  |  |  |  |  |
Redeemable Convertible Preferred Stock, ending balance (in shares) at Sep. 29, 2018 | 0 |  |  |  |  |  |  |  |  |  |  |
Redeemable Convertible Preferred Stock, ending balance at Sep. 29, 2018 | $ 0 |  |  |  |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |
Exercise of stock options (in shares) | 2,657,436 | 2,657,436 |  |  |  |  |  |  |  |  |  |
Exercise of stock options | $ 9,345 | $ 3 | 9,342 |  |  |  |  |  |  |  |  |
Purchase of treasury stock (in shares) |  |  |  | (60,578) |  |  |  |  |  |  |  |
Purchase of treasury stock | (911) |  |  | $ (911) |  |  |  |  |  |  |  |
Issuance of common, net of issuance/offering costs (in shares) |  |  |  |  |  |  |  |  |  |  | 6,388,888 |
Issuance of common, net of issuance/offering costs |  |  |  |  |  |  |  |  |  | $ 86,027 | $ 6 | $ 86,021
Conversion of redeemable convertible preferred stock to common stock upon initial public offering (in shares) |  | 32,482,590 |  |  |  |  |  |  |  |  |  |
Conversion of redeemable convertible preferred stock to common stock upon initial public offering | 90,341 | $ 33 | 90,308 |  |  |  |  |  |  |  |  |
Stock-based compensation expense | 38,645 |  | 38,645 |  |  |  |  |  |  |  |  |
Net loss | (15,604) |  |  |  | (15,604) |  |  |  |  |  |  |
Change in foreign currency translation adjustment | $ 488 |  |  |  |  | 488 |  |  |  |  |  |
Balances, ending of period (in shares) at Sep. 29, 2018 | 100,061,210 | 100,868,250 |  | (807,040) |  |  |  |  |  |  |  |
Balances, ending of period at Sep. 29, 2018 | $ 208,358 | $ 101 | 424,617 | $ (11,072) | (203,611) | (1,677) |  |  |  |  |  |
Redeemable Convertible Preferred Stock, beginning balance at Jun. 30, 2018 | $ 90,341 |  |  |  |  |  |  |  |  |  |  |
Redeemable Convertible Preferred Stock, ending balance (in shares) at Sep. 29, 2018 | 0 |  |  |  |  |  |  |  |  |  |  |
Redeemable Convertible Preferred Stock, ending balance at Sep. 29, 2018 | $ 0 |  |  |  |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |
Net loss | $ (1,720) |  |  |  |  |  |  |  |  |  |  |
Balances, ending of period (in shares) at Sep. 29, 2018 | 100,061,210 | 100,868,250 |  | (807,040) |  |  |  |  |  |  |  |
Balances, ending of period at Sep. 29, 2018 | $ 208,358 | $ 101 | $ 424,617 | $ (11,072) | $ (203,611) | $ (1,677) |  |  |  |  |  |

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- Definition Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 4.E) -URI http://asc.fasb.org/extlink&oid=27010918&loc=d3e74512-122707 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(31)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(30)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Carrying amount, attributable to parent, of an entity's issued and outstanding stock which is not included within permanent equity. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable. Includes any type of security that is redeemable at a fixed or determinable price or on a fixed or determinable date or dates, is redeemable at the option of the holder, or has conditions for redemption which are not solely within the control of the issuer. Includes stock with a put option held by an ESOP and stock redeemable by a holder only in the event of a change in control of the issuer. + References No definition available. + Details
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- Definition The number of securities classified as temporary equity that have been issued and are held by the entity's shareholders. Securities outstanding equals securities issued minus securities held in treasury. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable. Includes any type of security that is redeemable at a fixed or determinable price or on a fixed or determinable date or dates, is redeemable at the option of the holder, or has conditions for redemption which are not solely within the control of the issuer. If convertible, the issuer does not control the actions or events necessary to issue the maximum number of shares that could be required to be delivered under the conversion option if the holder exercises the option to convert the stock to another class of equity. If the security is a warrant or a rights issue, the warrant or rights issue is considered to be temporary equity if the issuer cannot demonstrate that it would be able to deliver upon the exercise of the option by the holder in all cases. Includes stock with put option held by ESOP and stock redeemable by holder only in the event of a change in control of the issuer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(27)(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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