Net Income (Loss) Per Share - Computation of Basic and Diluted Net Loss Per Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands |
3 Months Ended | 12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2016 |
Oct. 01, 2016 |
Jul. 02, 2016 |
Apr. 02, 2016 |
Jan. 02, 2016 |
Oct. 03, 2015 |
Jul. 04, 2015 |
Apr. 04, 2015 |
Dec. 31, 2016 |
Jan. 02, 2016 |
Jan. 03, 2015 |
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| Numerator: | |||||||||||
| Net income (loss) attributable to U.S. Auto Parts | $ (1,353) | $ (102) | $ 934 | $ 1,252 | $ (454) | $ 8 | $ (775) | $ (60) | $ 731 | $ (1,281) | $ (6,879) |
| Dividends on Series A Convertible Preferred Stock | (241) | (241) | (240) | ||||||||
| Net income (loss) available to common shares | $ 490 | $ (1,522) | $ (7,119) | ||||||||
| Denominator: | |||||||||||
| Weighted-average common shares outstanding (basic) (in shares) | 34,878 | 34,932 | 34,753 | 34,497 | 34,084 | 34,018 | 33,963 | 33,720 | 34,765 | 33,946 | 33,489 |
| Common equivalent shares from common stock options, preferred stock and warrants (in shares) | 1,442 | 0 | 0 | ||||||||
| Weighted-average common shares outstanding (diluted) (in shares) | 34,878 | 34,932 | 40,007 | 39,359 | 34,084 | 34,018 | 33,963 | 33,720 | 36,207 | 33,946 | 33,489 |
| Basic net income (loss) per share as reported and adjusted(in dollars per share) | $ (0.04) | $ 0.00 | $ 0.03 | $ 0.03 | $ (0.01) | $ 0.00 | $ (0.02) | $ 0.00 | $ 0.01 | $ (0.04) | $ (0.21) |
| Diluted net income (loss) per share (in dollars per share) | $ (0.04) | $ 0.00 | $ 0.02 | $ 0.03 | $ (0.01) | $ 0.00 | $ (0.02) | $ 0.00 | $ 0.01 | $ (0.04) | $ (0.21) |
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- Definition The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- References No definition available.
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- Definition Net income after adjustments for dividends on preferred stock (declared in the period) and/or cumulative preferred stock (accumulated for the period). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The amount of preferred stock dividends that is an adjustment to net income apportioned to common stockholders. No definition available.
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- Definition The sum of dilutive potential common shares or units used in the calculation of the diluted per-share or per-unit computation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- References No definition available.
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- Definition Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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