v3.26.1
Leases - Supplemental consolidated balance sheet information (Details) - USD ($)
$ in Thousands
Jun. 27, 2026
Dec. 27, 2025
Operating Leases    
Operating lease right-of-use assets $ 1,267 $ 541
Other current liabilities $ 492 619
Other current liabilities - extensible list Other Liabilities, Current  
Operating lease liabilities $ 800 23
Total operating lease liabilities 1,292 642
Finance Leases    
Property and equipment, at cost 488 488
Accumulated depreciation (419) (380)
Property and equipment, net $ 69 108
Property and equipment, net - extensible list Property and equipment, net  
Other current liabilities   3
Other liabilities $ 0 0
Other liabilities - extensible list Other liabilities  
Total finance lease liabilities   $ 3
Total finance lease liabilities - extensible list us-gaap:AccruedLiabilitiesCurrent, Other liabilities