Summary of Significant Accounting Policies - Reconciliation of Changes in Warranty Liability (Details) - USD ($) $ in Thousands |
12 Months Ended | |
---|---|---|
Dec. 30, 2017 |
Dec. 31, 2016 |
|
Reconciliation of the changes in the Company's warranty liability | ||
Balance, beginning of period | $ 603 | $ 603 |
Accruals for product warranties | 1,476 | 469 |
Cost of warranty claims | (344) | (469) |
Balance, end of period | $ 1,735 | $ 603 |