Quarterly report pursuant to Section 13 or 15(d)

Lease Obligations - Additional Information (Details)

v3.19.3
Lease Obligations - Additional Information (Details) - USD ($)
9 Months Ended
Sep. 28, 2019
Dec. 30, 2018
Dec. 29, 2018
Lessee Lease Description [Line Items]      
Operating lease right of use assets $ 2,163,000 $ 1,900,000 $ 0
Operating lease liability 2,196,000 $ 1,900,000  
Topic 842      
Lessee Lease Description [Line Items]      
Adjustments to retained earnings $ 0