Income Taxes (Schedule of Income Tax Expense) (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 25, 2018	Sep. 26, 2017
Income Tax Disclosure [Abstract]
Total benefit computed by applying statutory federal rate	$ (299)	$ (789)
State income tax, net of federal tax benefit	(41)	(68)
FICA/WOTC tax credits	(612)	(432)
Tax Reform Impact	1,305	0
Effect of change in valuation allowance	(565)	1,194
Permanent differences	78	119
Other	134	(24)
Provision for income taxes	$ 0	$ 0