CarParts.com, Inc. Annual report pursuant to Section 13 and 15(d)

Annual report pursuant to Section 13 and 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

Goodwill and Intangible Assets (Details Textual)

v2.4.0.6

Goodwill and Intangible Assets (Details Textual) (USD $)	1 Months Ended	3 Months Ended		12 Months Ended				3 Months Ended		12 Months Ended	3 Months Ended	12 Months Ended	3 Months Ended	12 Months Ended	3 Months Ended	9 Months Ended	12 Months Ended	3 Months Ended	12 Months Ended	3 Months Ended	12 Months Ended
	Oct. 31, 2012	Dec. 29, 2012	Dec. 31, 2011	Dec. 29, 2012 Segment	Dec. 31, 2011	Jan. 01, 2011	Dec. 29, 2012 AutoMD [Member]	Dec. 29, 2012 WAG [Member]	Dec. 29, 2012 Websites [Member]	Dec. 29, 2012 Websites [Member]	Dec. 29, 2012 Customer relationships [Member]	Dec. 29, 2012 Customer relationships [Member]	Dec. 29, 2012 Assembled workforce [Member]	Dec. 29, 2012 Assembled workforce [Member]	Dec. 29, 2012 Product design intellectual property [Member]	Sep. 29, 2012 Product design intellectual property [Member]	Dec. 29, 2012 Product design intellectual property [Member]	Dec. 29, 2012 Domain and trade names [Member]	Dec. 29, 2012 Domain and trade names [Member]	Dec. 29, 2012 Trade Names [Member]	Dec. 29, 2012 Trade Names [Member] WAG [Member]	Dec. 31, 2011 Trade Names [Member] WAG [Member]
Goodwill and Intangible Assets (Textual) [Abstract]
Impairment loss on intangible assets		$ 5,600,000	$ 5,100,000	$ 5,613,000	$ 5,138,000																$ 2,800,000	$ 5,100,000
Impairment losses on indefinite-lived assets		3,900,000	5,100,000			0																5,100,000
Impairment loss on goodwill	18,900,000	18,900,000		18,854,000			0	9,100,000
Impairment loss on intangible assets, finite-lived					0	0			700,000		900,000	900,000	100,000							3,900,000
Finite-lived intangible assets, Useful Life										5 years		4 years		7 years	2 years	9 years	2 years	10 years	10 years
Goodwill and Intangible Assets (Additional Textual) [Abstract]
Number of reporting units				2
Excess carrying value over fair value	21,800,000			21,800,000
Amortization expense relating to intangible assets				$ 1,189,000	$ 3,673,000	$ 2,804,000

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Excess carrying value over fair value.

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- Definition

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Loss recognized during the period that results from the write-down of goodwill after comparing the implied fair value of reporting unit goodwill with the carrying amount of that goodwill. Goodwill is assessed at least annually for impairment.

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The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value.

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The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of an indefinite-lived intangible asset, other than goodwill, to fair value.

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Impairment recognized during the period and allocated to the reportable segment that results from the write-down of indefinite-lived intangible assets after comparing the implied fair value of reporting unit indefinite-lived intangible assets with the carrying amount of that indefinite-lived intangible assets, which are assessed at least annually for impairment.

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Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

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