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Leases - Maturities of Lease Liabilities (Details) $ in Thousands	Sep. 28, 2019 USD ($)
Operating Lease Liabilities, Payments Due [Abstract]
2019 (remaining 3 months)	$ 157
2020	596
2021	376
2022	163
Total lease payments	1,292
Less: imputed interest	(112)
Total	1,180
Finance Lease Liabilities, Payments, Due [Abstract]
2019 (remaining 3 months)	5
2020	22
2021	22
2022	22
2023	22
Thereafter	5
Total lease payments	98
Less: imputed interest	(10)
Total	$ 88

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