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)

v3.7.0.1

Stockholders' Equity and Share-Based Compensation - Narrative (Detail) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Apr. 01, 2017	Dec. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of stock options granted (in shares)	1,105
Number of options exercised (in shares)	45
Number of stock options forfeited (in shares)	1
Number of stock options expired (in shares)	65
Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vested (in shares)	555
Shares withheld to satisfy employee tax obligations (in shares)	202
Adjustment related employee tax obligations	$ 677
Compensation expense	1,113
Unrecognized compensation expense	$ 5,382
Time Based RSU
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vested (in shares)	30
Performance based RSU
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vested (in shares)	525
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.

+ References

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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.

+ References

No definition available.

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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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- Definition

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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