Leases (Details 3) - USD ($) $ in Thousands	Dec. 26, 2020	Dec. 28, 2019
Operating Leases
2021	$ 1,448
2022	288
2023	0
2024	0
2025 and thereafter	0
Total lease payments	1,736
Less: imputed interest	(29)
Total lease liabilities	1,707
Finance Leases
2021	133
2022	113
2023	93
2024	73
2025 and thereafter	57
Total lease payments	469
Less: imputed interest	(27)
Total lease liabilities	442
Total
2021	1,581
2022	401
2023	93
2024	73
2025 and thereafter	57
Total lease payments	2,205
Less: imputed interest	(56)
Total lease liabilities	$ 2,149	$ 2,499

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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

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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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Amount of lessee's undiscounted obligation for lease payment for operating lease.

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