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Stockholders' Equity - Summary of Information About Non-vested Shares Outstanding (Details) - $ / shares | 12 Months Ended
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Jan. 02, 2021 | Dec. 28, 2019
Non-vested Shares |  |
Number of Shares, Non-vested, Beginning Balance | 0 | 0
Options Outstanding, Granted | 74,000 | 0
Number of Shares, Vested | (25,500) | 0
Number of Shares, Non-vested, Ending Balance | 48,500 | 0
Non-vested Shares, Average Grant-Date Fair Value |  |
Average Grant-Date Fair Value, Non-vested, Beginning Balance | $ 0 | $ 0
Average Grant-Date Fair Value, Granted | 3.09 | 0
Average Grant-Date Fair Value, Vested | 3.85 | 0
Average Grant-Date Fair Value, Non-vested, Ending Balance | $ 3.83 | $ 0

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- Definition Gross number of share options (or share units) granted during the period. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

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- Definition The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. + 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 (d)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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Period Type: | duration

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- Definition Number of non-vested options outstanding. + References No definition available. + Details
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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- Definition Weighted average grant-date fair value of non-vested options outstanding. + References No definition available. + Details
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Data Type: | num:perShareItemType
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Period Type: | instant

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- References No definition available. + Details
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- Definition Number of options vested. + References No definition available. + Details
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- Definition Weighted average grant-date fair value of options vested. + References No definition available. + Details
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