Leases (Details 3) - USD ($) $ in Thousands	Mar. 27, 2021	Dec. 26, 2020
Operating Leases
2021 (remaining months)	$ 962
2022	658
2023	0
2024	0
2025 and thereafter	0
Total lease payments	1,620
Less: imputed interest	(19)
Total lease liabilities	1,601
Finance Leases
2021 (remaining months)	99
2022	112
2023	92
2024	72
2025 and thereafter	56
Total lease payments	431
Less: imputed interest	(23)
Total lease liabilities	408
Total
2021 (remaining months)	1,061
2022	770
2023	92
2024	72
2025 and thereafter	56
Total lease payments	2,051
Less: imputed interest	(42)
Total lease liabilities	$ 2,009	$ 2,149

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+ 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

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=121603541&loc=SL77918627-209977

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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-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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