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Stockholders' Equity and Share-Based Compensation - Stock Option Exchange Program (Detail) (USD $)
In Thousands, except Share data, unless otherwise specified |
0 Months Ended | 12 Months Ended | ||
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Sep. 10, 2013
employee
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Jul. 09, 2013
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Jan. 03, 2015
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Sep. 10, 2013
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||||
| Exercise price of shares issued under exchange program | 2.06us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice | |||
| Stock Option Exchange Program | ||||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||||
| Exercise price of shares issued under exchange program |
$ 4.00us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice / us-gaap_PlanNameAxis = prts_StockOptionExchangeProgramMember |
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| Share exchange ratio per share |
3.5prts_ShareExchangeRatio / us-gaap_PlanNameAxis = prts_StockOptionExchangeProgramMember |
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| Shares issued under exchange program |
3,733,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod / us-gaap_PlanNameAxis = prts_StockOptionExchangeProgramMember |
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| Stock option exercise price, minimum |
$ 4.01us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit / us-gaap_PlanNameAxis = prts_StockOptionExchangeProgramMember |
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| Stock option exercise price, maximum |
$ 11.68us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit / us-gaap_PlanNameAxis = prts_StockOptionExchangeProgramMember |
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| Stock options vesting period | 4 years | 4 years | ||
| Stock options vesting, description | The terms and conditions of the new options are subject to an entirely new four year vesting schedule where 25% will vest on the first anniversary, and the remaining 75% will vest monthly over the following 36 months. All new options have a ten year contractual term. | |||
| Contractual term | 10 years | |||
| Exercisable options |
3,475,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber / us-gaap_PlanNameAxis = prts_StockOptionExchangeProgramMember |
3,475,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber / us-gaap_PlanNameAxis = prts_StockOptionExchangeProgramMember |
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| Stock options exercised, weighted average exercise price |
$ 6.65us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice / us-gaap_PlanNameAxis = prts_StockOptionExchangeProgramMember |
$ 6.65us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice / us-gaap_PlanNameAxis = prts_StockOptionExchangeProgramMember |
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| Eligible employees |
45us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationNumberOfEmployeesAffected / us-gaap_PlanNameAxis = prts_StockOptionExchangeProgramMember |
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| Unvested exercisable options |
993,000us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares / us-gaap_PlanNameAxis = prts_StockOptionExchangeProgramMember |
993,000us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares / us-gaap_PlanNameAxis = prts_StockOptionExchangeProgramMember |
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| Unvested exercisable options exercise price |
$ 0.9866us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue / us-gaap_PlanNameAxis = prts_StockOptionExchangeProgramMember |
$ 0.9866us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue / us-gaap_PlanNameAxis = prts_StockOptionExchangeProgramMember |
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| Incremental fair value on the date of exchange |
$ 422us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCost / us-gaap_PlanNameAxis = prts_StockOptionExchangeProgramMember |
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| Stock Option Exchange Program | Stock Options Vesting in Year One | ||||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||||
| Stock options vested, percentage |
25.00%us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage / us-gaap_PlanNameAxis = prts_StockOptionExchangeProgramMember / us-gaap_VestingAxis = prts_StockOptionsVestOneYearMember |
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| Stock Option Exchange Program | Stock Options Vesting After Year One | ||||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||||
| Stock options vesting period | 36 months | |||
| Stock options vested, percentage |
75.00%us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage / us-gaap_PlanNameAxis = prts_StockOptionExchangeProgramMember / us-gaap_VestingAxis = prts_VestAfterOneYearMember |
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- Definition
Share Exchange Ratio Per Share No definition available.
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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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Description of award terms as to how many shares or portion of an award are no longer contingent on satisfaction of either a service condition, market condition or a performance condition, thereby giving the employee the legal right to convert the award to shares, to sell the shares, and be entitled to the cash proceeds of such sale. For example, vesting may be expressed as being 25 percent of the shares under option on each anniversary of the grant date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Percentage of vesting of share-based compensation awards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
Number of non-vested options outstanding. No definition available.
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- Definition
Weighted average grant-date fair value of non-vested options outstanding. No definition available.
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- Definition
The number of exercisable share options (fully vested and expected to vest) that may be converted as of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
As of the balance sheet date, the weighted-average exercise price (at which grantees can acquire the shares reserved for issuance) for exercisable stock options that are fully vested or expected to vest. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
An excess of the fair value of the modified award over the fair value of the award immediately before the modification. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The number of employees affected by the modification of an equity-based compensation plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Number of share instruments newly issued under a share-based compensation plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Weighted average price at which option holders acquired shares when converting their stock options into shares. No definition available.
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- Definition
The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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