LEASES - Consolidated Balance Sheet (Details) - USD ($) $ in Thousands	Mar. 29, 2024	Dec. 29, 2023
Leases
Right-of-use assets	$ 12,803	$ 12,465
Operating leases, lease liabilities
Lease liability	4,677	4,537
Lease liability, less current portion	9,948	9,758
Total lease liabilities	14,625	14,295
Finance leases (included in equipment and leasehold improvements, net):
Equipment and leasehold improvements, net	6,245	6,139
Accumulated depreciation	(4,099)	(3,837)
Total equipment and leasehold improvements, net	$ 2,146	$ 2,302
Finance Lease, Right-of-Use Asset, Statement of Financial Position	Equipment and leasehold improvements, net	Equipment and leasehold improvements, net
Finance lease obligations
Finance lease obligations	$ 1,111	$ 1,186
Finance lease obligations, less current portion	1,112	1,184
Total finance lease obligations	$ 2,223	$ 2,370

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