Stock-Based Compensation - ESPP (Details) - USD ($) |
1 Months Ended | 12 Months Ended | |||
---|---|---|---|---|---|
May 31, 2017 |
Dec. 28, 2019 |
Dec. 29, 2018 |
Dec. 30, 2017 |
May 23, 2018 |
|
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||||
Capital shares reserved for future issuance | 1,750,000 | ||||
Maximum percentage of salary | 15.00% | ||||
Maximum dollar amount | $ 4,000 | ||||
Maximum number of shares per employee | 1,000 | ||||
Number of shares available for grant | 1,293,482 | ||||
Purchase price of common stock percent | 85.00% | ||||
Employee Stock | |||||
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||||
Number of shares available for grant | 570,962 | ||||
Share-based Payment Arrangement, Expensed and Capitalized, Amount | $ 1,100,000 | $ 1,000,000.0 | $ 100,000 |