Consolidated Statements of Changes in Stockholders' Equity Statement (USD $) In Thousands, except Share data	Total	Common Stock [Member]	Preferred Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Treasury Stock [Member]
Beginning balance at Dec. 30, 2012	$ 90,173	$ 227	$ 0	$ 68,056	$ 21,362	$ 669	$ (141)
Common stock, shares, outstanding, beginning at Dec. 30, 2012		22,748,241
Other Comprehensive Income (Loss), Tax	30
Stock-based compensation	1,205			1,205
Vesting of non-vested shares		300,093
Vesting of non-vested shares and excess tax benefits	0	3		(3)
Distribution of Fiesta Restaurant Group's net assets	(688)				(688)
Net income (loss)	(13,519)				(13,519)
Change in postretirement benefit obligations, net of tax	(33)					33
Ending balance at Dec. 29, 2013	77,204	230	0	69,258	7,155	702	(141)
Common stock, shares, outstanding, ending at Dec. 29, 2013	23,048,334	23,048,334
Stock-based compensation	883			883
Vesting of non-vested shares		275,726
Vesting of non-vested shares and excess tax benefits	0	3		(3)
Public stock offering	11,500,000	11,500,000
Public stock offering	67,327	115		67,212
Net income (loss)	(11,082)				(11,082)
Ending balance at Sep. 28, 2014	$ 134,332	$ 348	$ 0	$ 137,350	$ (3,927)	$ 702	$ (141)
Common stock, shares, outstanding, ending at Sep. 28, 2014	34,824,060	34,824,060