CarParts.com, Inc. Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Cover
- Document and Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Basis of Presentation and Description of Company (Policies)
Notes Tables
Notes Details

Stockholders' Equity and Share-Based Compensation - Narrative (Detail)

v3.8.0.1

Stockholders' Equity and Share-Based Compensation - Narrative (Detail) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2017	Dec. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of stock options granted (in shares)		1,445
Number of options exercised (in shares)		1,074
Number of stock options forfeited (in shares)		161
Number of stock options expired (in shares)		361
Time Based RSU
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vested (in shares)		67
Performance based RSU
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vested (in shares)		525
Restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vested (in shares)		592
Shares withheld to satisfy employee tax obligations (in shares)		220
Adjustment related employee tax obligations		$ 743
Compensation expense	$ 574	2,242
Unrecognized compensation expense	$ 4,844	$ 4,844
AMD Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options outstanding (in shares)			1,405

- Definition

The amount of adjustment to stockholders' equity associated with an employee's income tax withholding obligation as part of a net-share settlement of a share-based award.

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Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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Unrecognized cost of unvested share-based awards, other than options, awarded to employees as compensation.

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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements.

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The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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Gross number of share options (or share units) granted during the period.

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Number of options outstanding, including both vested and non-vested options.

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For net-share settlement of share-based awards when the employer settles employees' income tax withholding obligations, this element represents the number of shares the employees use to repay the employer.

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Number of share options (or share units) exercised during the current period.

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