Commitments and Contingencies (Tables)

12 Months Ended

Dec. 28, 2019

Commitments And Contingencies Disclosure [Abstract]

Schedule of Maturities of Operating Lease Liabilities

The following represents maturities of operating lease liabilities as of December 28, 2019 (in thousands):

Fiscal Year	Operating Lease Payments
2020	$	1,553
2021		1,541
2022		318
2023		—
2024		—
Total lease payments		3,412
Less: Imputed interest		(203	)
Total future minimum lease payments	$	3,209

Future Minimum Payments for our Purchase Commitments

Our purchase commitments consist primarily of non-cancellable purchase orders with vendors to manufacture certain components and ophthalmic instruments. Future minimum payments for our purchase commitments as of December 28, 2019 are summarized as follows (in thousands):

Fiscal Year	Purchase Commitments
2020	$	7,518