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 Per Share data, unless otherwise specified	3 Months Ended				3 Months Ended			0 Months Ended			3 Months Ended
	Mar. 29, 2014	Mar. 30, 2013	Mar. 29, 2014 Restricted stock units [Member]	Feb. 14, 2014 Restricted stock units [Member]	Mar. 29, 2014 Minimum [Member]	Mar. 29, 2014 Maximum [Member]	Mar. 29, 2014 2007 Omnibus Plan [Member]	Feb. 14, 2014 2007 Omnibus Plan [Member] Restricted stock units [Member]	Feb. 14, 2014 2007 Omnibus Plan [Member] Time-based RSUs [Member]	Feb. 14, 2014 2007 Omnibus Plan [Member] Performance-based RSUs [Member]	Mar. 29, 2014 2007 Omnibus Plan [Member] Minimum [Member]	Mar. 29, 2014 2007 Omnibus Plan [Member] Maximum [Member]	Mar. 29, 2014 2007 New Employee Incentive Plan [Member]	Mar. 29, 2014 2006 Equity Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock authorized							2,400						2,000
Maximum number of shares authorized to issued under condition one							1,500
Maximum percentage of shares authorized to issued under condition one							5.00%
Expiration period							10 years						10 years
Option grant vesting period					3 years	4 years	4 years				1 year	2 years	4 years
Exercise price of option grants							100.00%						100.00%
Shares available for future grants							1,357						1,552	0
Weighted-average fair value of options granted	$ 1.19	$ 0.90
Intrinsic value of the exercised options	$ 14	$ 4
Unrecognized share-based compensation expense	1,961
Weighted-average period of unrecognized share-based compensation expense	3 years 4 months 24 days		1 year 1 month 6 days
RSUs granted								699
RSUs granted									422	277
RSUS per share				$ 2.03
Compensation expense	376	409	157
Unrecognized compensation expense			$ 1,193

- Definition

Exercise price of options grants as a percentage of the fair market value/stock price at the date of grant.

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Intrinsic value of the exercised options.

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Maximum number of shares authorized to issued under condition one.

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Maximum Percentage of shares authorized to issued under condition one.

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Share based compensation arrangement by share based payment award option maximum expiration period.

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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.

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-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.

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- Definition

Unrecognized cost of unvested options awarded to employees as compensation.

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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.

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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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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).

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- Definition

Net number of non-option equity instruments granted to participants.

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The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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

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