Quarterly report pursuant to Section 13 or 15(d)

Capital Stock - Additional Information (Details)

v3.20.2
Capital Stock - Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 28, 2020
Jun. 30, 2019
Jun. 28, 2020
Jun. 30, 2019
Stock Option [Member]        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Share-based Payment Arrangement, Expense $ 57 $ 41 $ 115 $ 62
Restricted Stock Units (RSUs) [Member]        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Share-based Payment Arrangement, Expense $ 98 $ 56 $ 202 $ 123
RSU granted     63,000