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Leases - Supplemental Balance Sheet Information Related to Finance Leases (Details) - USD ($) $ in Thousands	Jul. 02, 2021	Jan. 01, 2021
Lessee Lease Description [Line Items]
Finance lease right-of-use assets, gross	$ 617	$ 1,376
Less accumulated depreciation	(558)	(780)
Finance lease right-of-use assets, net	59	596
Total finance lease liability	$ 110	$ 398
Weighted-average remaining lease term (in years)	1 year 3 months 18 days	10 months 24 days
Weighted-average discount rate	2.08%	3.46%
Machinery and Equipment
Lessee Lease Description [Line Items]
Finance lease right-of-use assets, gross	$ 36	$ 570
Computer Equipment and Software
Lessee Lease Description [Line Items]
Finance lease right-of-use assets, gross	$ 581	$ 806

X

- Definition

Finance lease accumulated depreciation.

+ References

No definition available.

+ Details

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Balance Type:	credit
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X

- Definition

Finance lease right of use asset gross.

+ References

No definition available.

+ Details

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X

- Definition

Present value of lessee's discounted obligation for lease payments from finance lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918701-209980

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121603541&loc=SL77918627-209977

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Balance Type:	credit
Period Type:	instant

X

- Definition

Amount, after accumulated amortization, of right-of-use asset from finance lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121603541&loc=SL77918627-209977

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Namespace Prefix:	us-gaap_
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Balance Type:	debit
Period Type:	instant

X

- Definition

Weighted average discount rate for finance lease calculated at point in time.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 4
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X

- Definition

Weighted average remaining lease term for finance lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
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-Paragraph 4
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X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Details

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