Annual report pursuant to Section 13 and 15(d)

Stock-Based Payments - 2016 Stock Incentive Plan (Details)

v3.10.0.1
Stock-Based Payments - 2016 Stock Incentive Plan (Details) - 2016 Plan - shares
12 Months Ended
Jan. 01, 2018
Dec. 31, 2018
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Increase in number of shares of common stock reserved for issuance of awards on the first day of each calendar year (in shares)   1,600,000
Increase in number of shares of common stock reserved for issuance of awards on the first day of each calendar year, as a percentage of outstanding shares   4.00%
Increase in number of shares of common stock reserved for issuance (in shares) 1,056,935  
Common stock available for future issuance (in shares)   2,836,921
Stock Option    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Vesting period   4 years
Term of award   10 years
Stock Option | Vesting on one year anniversary of vesting commencement date    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Vesting (as a percent)   25.00%
Stock Option | Vesting ratably on a monthly basis    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Vesting period   3 years
Vesting (as a percent)   75.00%