Leases - Schedule of Maturities of Operating Lease Liabilities (Details) $ in Thousands	Sep. 28, 2019 USD ($)
Leases [Abstract]
Operating leases: 2019 (remaining months)	$ 249
Operating leases: 2020	1,012
Operating leases: 2021	957
Operating leases: 2022	289
Operating leases: 2023
Operating leases: 2024
Operating leases: Total lease payments	(2,507)
Operating leases: Less: imputed interest	(92)
Operating leases: Total lease liabilities	2,415
Finance leases: 2019 (remaining months)	14
Finance leases: 2020	55
Finance leases: 2021	55
Finance leases: 2022	55
Finance leases: 2023	55
Finance leases: 2024	36
Finance leases: Total lease payments	270
Finance leases: Less: imputed interest	(39)
Finance leases: Total lease liabilities	231
2019 (remaining months)	263
2020	1,067
2021	1,012
2022	344
2023	55
2024	36
Total lease payments	2,777
Less: imputed interest	(131)
Total lease liabilities	$ 2,646