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
- Summary of Significant Accounting Policies and Nature of Operations (Policies)
Notes Tables
Notes Details

Stockholders' Equity and Share-Based Compensation - Additional Information 2 (Detail)

v2.4.0.8

Stockholders' Equity and Share-Based Compensation - Additional Information 2 (Detail) (USD $) In Thousands, except Share data, unless otherwise specified	9 Months Ended				3 Months Ended	9 Months Ended				0 Months Ended		9 Months Ended				0 Months Ended	3 Months Ended	9 Months Ended
	Sep. 27, 2014	Sep. 28, 2013	Sep. 27, 2014 Minimum	Sep. 27, 2014 Maximum	Sep. 27, 2014 Restricted stock units	Sep. 27, 2014 Restricted stock units	Aug. 01, 2014 Restricted stock units	Apr. 03, 2014 Restricted stock units	Feb. 14, 2014 Restricted stock units	Feb. 14, 2014 Restricted stock units Minimum	Feb. 14, 2014 Restricted stock units Maximum	Sep. 27, 2014 2007 Omnibus Plan Minimum	Sep. 27, 2014 2007 Omnibus Plan Maximum	Sep. 27, 2014 2007 Omnibus Plan Restricted stock units	Sep. 27, 2014 2007 Omnibus Plan Time-based RSUs	Feb. 14, 2014 2007 Omnibus Plan Performance-based RSUs	Sep. 27, 2014 2007 Omnibus Plan Performance-based RSUs	Sep. 27, 2014 2007 Omnibus Plan Performance-based RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Option grant vesting period			3 years	4 years								1 year	2 years
Weighted-average fair value of options granted	$ 1.34	$ 0.68
Intrinsic value of the exercised options	$ 147	$ 4
Unrecognized share-based compensation expense	1,866
Weighted-average period of unrecognized share-based compensation expense	2 years 10 months 28 days					1 year 0 months 0 days
RSUs granted														1,015,000	738,000	277,000
RSUS per share							$ 3.17	$ 2.93	$ 2.03
Compensation expense, requisite service period										1 year	2 years
Number of shares probable to meet performance criteria														171,000
Shares forfeited																		94,000
Reduction in compensation expense																	107	107
Compensation expense	1,691	1,065			382	926
Unrecognized compensation expense					$ 1,205	$ 1,205

- Definition

Intrinsic value of the exercised options.

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Awards Likely to Meet Performance Criteria

+ References

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period, Decrease in Compensation Cost

+ References

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- Definition

Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (i)

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- Definition

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

+ References

No definition available.

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- Definition

Unrecognized cost of unvested options awarded to employees as compensation.

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No definition available.

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- Definition

The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

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Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

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

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-Name Accounting Standards Codification

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-Paragraph 2

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- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

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-Topic 718

-SubTopic 10

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-Paragraph 2

-Subparagraph (c)(2)(iii)(1)

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- Definition

The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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-Name Accounting Standards Codification

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- Definition

Price of a single share of a number of saleable stocks of a company.

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-Topic 820

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