Inventory - Additional Information (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 29, 2019
Inventory [Line Items]
Allowance for obsolete inventory	$ 900	$ 1,000
Inventory, net	15,259	13,047
Mexico
Inventory [Line Items]
Inventory, net	3,200	3,600
Canada
Inventory [Line Items]
Inventory, net	$ 1,200	$ 1,000

Amount of valuation reserve for inventory.

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-Name Accounting Standards Codification
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-SubTopic 10
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-Publisher FASB
-Name Accounting Standards Codification
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-Name Accounting Standards Codification
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Name:	us-gaap_InventoryValuationReserves
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant