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Stockholders' Equity and Share-Based Compensation - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 28, 2014 | Jun. 29, 2013 | Jun. 28, 2014 | Jun. 29, 2013 | Dec. 28, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Common stock, shares authorized | 100,000 |  | 100,000 |  | 100,000
Shares of common stock issued from option exercises |  |  | (109) |  |
Amounts capitalized to internally-developed software | $ 37 | $ 68 | $ 77 | $ 149 |
Minimum [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Revised estimated forfeiture rate |  |  | 16.00% | 16.00% |
Maximum [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Revised estimated forfeiture rate |  |  | 34.00% | 34.00% |
Series A Preferred Stock [Member] | Dividend payment on December 31, 2013 [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Common stock issued in dividend payment on Series A convertible preferred stock |  |  | 24 |  |
Aggregate amount of common stock dividend |  |  | 60 |  |
Dividend payment date |  |  | Dec. 31, 2013 |  |
Series A Preferred Stock [Member] | Dividend payment on March 31, 2014 [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Common stock issued in dividend payment on Series A convertible preferred stock |  |  | 19 |  |
Aggregate amount of common stock dividend |  |  | $ 59 |  |
Dividend payment date |  |  | Mar. 31, 2014 |  |

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