Defined Contribution Plan - Additional Information (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 28, 2019 |
Sep. 29, 2018 |
Sep. 28, 2019 |
Sep. 29, 2018 |
|
| Deferred Compensation Arrangement With Individual Postretirement Benefits [Line Items] | ||||
| Employer contributions to employee compensation plan | $ 3 | $ 10 | $ 20 | $ 33 |
| Maximum | ||||
| Deferred Compensation Arrangement With Individual Postretirement Benefits [Line Items] | ||||
| Defined contribution plan, employer matching contribution, percent | 5.00% | |||
| X | ||||||||||
- Definition Amount of contributions made by employer into fund established for purposes of making future disbursement to individual in accordance with deferred compensation arrangement. No definition available.
|
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
|
| X | ||||||||||
- Definition Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan. No definition available.
|
| X | ||||||||||
- Details
|