Stockholders' Equity - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
Jan. 01, 2022	Jan. 02, 2021	Dec. 29, 2018
Percentage of fair market value of Commons stock date of grant	100.00%
Share based payment award number of shares of common stock for each share	1.5
Total unrecognized compensation cost related to non-vested share-based compensation arrangements	$ 2,700
Cost is expected to be recognized over a weighted average period	2 years
Weighted-average grant date fair value of the options granted	$ 3.81	$ 1.06
Total intrinsic value of options exercised	$ 251	$ 0
Restricted stock units released, value withheld	$ (629)	$ (30)
Unvested restricted stock awarded	257,397	557,816
Restricted Stock Units (RSUs)
Grant of non-qualified stock option	$ 10		$ 40
The intrinsic value of the restricted stock units	$ 6.11
Number of shares, vested	381,974	128,624
Restricted stock units released, intrinsic value	$ 2,700
Restricted stock units released, Shares withheld	89,842
Restricted stock units released, value withheld	$ 629
Unvested restricted stock awarded	171,598	371,877
Weighted-average grant date fair value of restricted stock awarded	$ 6.78	$ 1.90
Stock awards modified to clarify the performance condition	56,900
Additional stock-based compensation expense	$ 400
2008 Equity Incentive Plan
Grant of non-qualified stock option	4,850,000
Performance Award \| Restricted Stock Units (RSUs)
Unvested restricted stock awarded	5,000
Weighted-average grant date fair value of restricted stock awarded	$ 8.34

Percentage of fair market value of common stock date of grant.

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Share based compensation arrangement by share based payment award number of shares of common stock for each share.

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Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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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.

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Value, after value of shares used to satisfy grantee's tax withholding obligation for award under share-based payment arrangement, of restricted shares issued. Excludes cash used to satisfy grantee's tax withholding obligation.

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Amount of additional cost recognized for award under share-based payment arrangement from occurrence of event accelerating recognition of cost.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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Per share or unit weighted-average intrinsic value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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- Definition

The net total number of shares (or other type of equity) under an equity-based award plan, other than a stock option plan, that were granted, vested and forfeited during the reporting period.

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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

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Number of shares authorized for issuance under share-based payment arrangement.

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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Intrinsic value of vested award under share-based payment arrangement. Excludes share and unit options.

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Number of shares used to settle grantee's tax withholding obligation for award under share-based payment arrangement.

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