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Share-Based Payments - Additional Information (Detail) - USD ($) |  | 12 Months Ended |
--- | --- | --- | ---
Oct. 07, 2020 | Jan. 02, 2021 | Dec. 28, 2019 | Dec. 31, 2018 | Dec. 29, 2018 | May 20, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Shares unissued |  | 33,470 |  |  |  |
Fair value of share vested |  | $ 5,300,000 | $ 6,200,000 | $ 4,800,000 |  |
Tax deductions related to the exercise of stock option and vesting of restricted stock |  | $ 5,900,000 | $ 7,200,000 | $ 5,600,000 |  |
Stock purchase plan |  | 300,000 |  |  |  |
Annual bonus for common stock, cash value percentage |  | 120.00% |  |  |  |
Share based payment share restriction period |  | 24 months |  |  |  |
Share based payment authorized issuance of additional shares to be granted |  |  |  |  | 45,000 |
Shares issued |  | 8,087 | 3,443 |  |  |
Purchase price of common stock |  | 95.00% |  |  |  |
Stock warrant, outstanding and nonvested |  | 4,349,817 |  |  |  |
Unrecognized cost related to non-vested warrants |  | $ 22,600,000 |  |  |  |
Non-vested warrants expensed as vesting conditions are satisfied over the remaining term |  | 6 years 9 months 18 days |  |  |  |
Warrants, vested |  | 1,087,455 |  |  |  |
Warrants, exercisable |  | 1,087,455 |  |  |  |
Warrants, intrinsic value |  | $ 0 |  |  |  |
Commercial Agreement [Member] |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Warrant shares vested upon signing contractual term | 7 years |  |  |  |  |
Estimated weighted average term | 3 years 7 months 6 days |  |  |  |  |
NV Investment Holdings [Member] | Commercial Agreement [Member] |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Warrant to acquire number of securities, common stock shares | 5,437,272 |  |  |  |  |
Exercise price | $ 17.7257 |  |  |  |  |
Warrants commercial supply agreement | $ 200,000,000 |  |  |  |  |
Right to purchase warrant, expiration date | Oct. 07, 2027 |  |  |  |  |
NV Investment Holdings [Member] | Commercial Agreement [Member] | Warrants One [Member] |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Percentage of warrants, outstanding and issuable shares | 2.50% |  |  |  |  |
Warrant to purchase number of securities, common stock shares vested | 1,087,455 |  |  |  |  |
Warrants grant date fair value per share | $ 5.51 |  |  |  |  |
NV Investment Holdings [Member] | Commercial Agreement [Member] | Warrants Two [Member] |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Percentage of warrants, outstanding and issuable shares | 10.00% |  |  |  |  |
Warrants grant date fair value per share | $ 5.33 |  |  |  |  |
Stock warrant, outstanding and nonvested | 4,349,817 |  |  |  |  |
Restricted Stock Awards [Member] |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Stock option award period |  | 4 years |  |  |  |
Unrecognized compensation cost |  | $ 5,700,000 |  |  |  |
Unrecognized compensation cost, weighted average period of recognition |  | 2 years 6 months |  |  |  |
Restricted Stock Awards [Member] | Board of Directors Chairman [Member] |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Stock option award period |  | 1 year |  |  |  |
2020 Plan [Member] |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Shares unissued |  |  |  |  |  | 1,635,000
2015 Plan [Member] |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Shares unissued |  | 2,205,034 |  |  |  |
Shares available for Grant under the Plan |  |  |  |  |  | 736,578
Associate Stock Purchase Plan [Member] |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Stock purchase plan |  | 200,000 |  |  |  |
Shares issued under associate stock purchase plan |  | 161,674 |  |  |  |

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- Definition Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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