Organization and Summary of Significant Accounting Policies 5 (Details) (USD $)	0 Months Ended			12 Months Ended
	Dec. 23, 2014	Jul. 09, 2012	Jan. 06, 2010	Dec. 29, 2014	Dec. 30, 2013	Dec. 31, 2012
Income Taxes [Abstract]
Net operating loss carryforwards for U.S. federal income tax purposes				$ 243,000,000
Minimum percentage of stock ownership required to effect ownership change (in hundredths)	5.00%	5.00%	5.00%	5.00%
Minimum percentage points by which aggregate stock ownership of holders of at least 5% of stock must increase to effect ownership change (in hundredths)	50.00%	50.00%	50.00%	50.00%
Period over which aggregate stock ownership of holders of at least 5% of stock must increase to effect ownership change	3 years	3 years	3 years	3 years
U.S. federal income tax [Member]
Income Taxes [Abstract]
Net operating loss carryforwards for U.S. federal income tax purposes				243,000,000
Lease termination reserve [Member]
Changes in lease termination reserve activity [Abstract]
Balance at the beginning of the period				150,000	214,000	245,000
Charged to costs and expenses				1,468,000	127,000	2,000
Payments and adjustments				(1,218,000)	(191,000)	(33,000)
Balance at the end of the period				$ 400,000	$ 150,000	$ 214,000