Selected Quarterly Financial and Earnings Data (Unaudited) Quarterly Table (Details) (USD $)	3 Months Ended								12 Months Ended
	Dec. 29, 2013	Sep. 29, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 30, 2012	Sep. 30, 2012	Jul. 01, 2012	Apr. 01, 2012	Dec. 29, 2013	Dec. 30, 2012	Jan. 01, 2012
Quarterly Financial Information Disclosure [Abstract]
Restaurant sales	$ 165,514,000	$ 168,312,000	$ 173,518,000	$ 156,139,000	$ 162,583,000	$ 169,471,000	$ 122,104,000	$ 85,450,000	$ 663,483,000	$ 539,608,000	$ 347,518,000
Operating income (loss) from continuing operations	972,000	209,000	(472,000)	(5,784,000)	(9,589,000)	(4,260,000)	693,000	(1,480,000)	(5,075,000)	(14,636,000)	6,412,000
Net income (loss) from continuing operations					(8,794,000)	(6,340,000)	(779,000)	(2,903,000)	(13,519,000)	(18,816,000)	(524,000)
Income (loss) from discontinued operations, net of income taxes					(114,000)	(2,000)	668,000	(624,000)	0	(72,000)	11,742,000
Net income (loss)	(2,062,000)	(2,762,000)	(3,496,000)	(5,199,000)	(8,908,000)	(6,342,000)	(111,000)	(3,527,000)	(13,519,000)	(18,888,000)	11,218,000
Basic and diluted net income (loss) per share, continuing operations	$ (0.09)	$ (0.12)	$ (0.15)	$ (0.23)	$ (0.39)	$ (0.28)	$ (0.03)	$ (0.13)
Basic and diluted net income (loss) per share, discontinued operations					$ (0.01)	$ 0.00	$ 0.03	$ (0.03)
Gains (Losses) on Extinguishment of Debt			1,500,000						0	(1,509,000)	(1,244,000)
Insurance Recoveries					500,000	200,000				700,000	300,000
Gain (Loss) on Sale of Property Plant Equipment									(925,000)	(212,000)	(63,000)
Impairment and other lease charges	$ 600,000	$ 1,100,000	$ 2,200,000	$ 600,000	$ 700,000				$ 4,462,000	$ 977,000	$ 1,293,000