Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity and Share-Based Compensation - Summary of Stock Option Activity (Detail)

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Stockholders' Equity and Share-Based Compensation - Summary of Stock Option Activity (Detail) (USD $)
In Thousands, except Per Share data, unless otherwise specified
 12 Months Ended
Dec. 28, 2013
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]  
Options outstanding, Shares, Beginning 7,428
Granted, Shares 1,908
Exercised, Shares (101)
Forfeited, Shares (137)
Expired, Shares (303)
Stock option exchange, Shares (3,475)
Options outstanding, Shares, Ending 5,320
Vested and expected to vest, Shares, Ending balance 4,514
Options exercisable, Shares, Ending balance 3,171
Options outstanding, Weighted Average Exercise Price, Beginning Balance $ 5.13
Granted - Weighted Average Exercise Price $ 1.51
Exercised - Weighted Average Exercise Price $ 1.83
Forfeited - Weighted Average Exercise Price $ 4.20
Expired - Weighted Average Exercise Price $ 4.38
Stock option exchange - Weighted Average Exercise Price $ 6.65
Options outstanding, Weighted Average Exercise Price, Ending Balance $ 2.97
Vested and expected to vest, Weighted Average Exercise Price, Ending Balance $ 3.20
Options exercisable, Weighted Average Exercise Price, Ending Balance $ 3.74
Options outstanding, Weighted Average Remaining Contractual Term (in years), Beginning 6 years 2 months 23 days
Options outstanding, Weighted Average Remaining Contractual Term (in years), Ending 6 years 9 months 7 days
Vested and expected to vest, Weighted Average Remaining Contractual Term (in years), Ending 6 years 3 months
Options exercisable, Weighted Average Remaining Contractual Term (in years), Ending 4 years 10 months 17 days
Options outstanding, Aggregate Intrinsic Value, Ending Balance $ 2,921
Vested and expected to vest, Aggregate Intrinsic Value, Ending Balance 2,184
Options exercisable, Aggregate Intrinsic Value, Ending Balance $ 1,012