SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Liquidity and subsequent events (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 25, 2024
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Total amount of outstanding debt	$ 51,000
Cash available	$ 6,228	$ 2,484

Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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+ Details