INCOME TAXES - Schedule of Effective Income Tax Rate Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 27, 2025	Sep. 28, 2024
Income Tax Disclosure [Abstract]
Provision at federal statutory rate (21%)	$ (806)	$ (958)
State and local income taxes, net of tax benefits	(100)	231
Gain on forgiveness of PPP Loans	0	(60)
Tax credits	(801)	(943)
Loss attributable to non-controlling interest	(484)	(32)
Changes in tax rates	167	5
Change in valuation allowance	7,322	963
Other	26	(21)
Income tax provision (benefit)	$ 5,324	$ (815)