Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 30, 2012	Jan. 01, 2012
Franchise agreements, accumulated amortization	$ 7,188	$ 6,504
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	20,000,000	20,000,000
Preferred Stock, shares issued	100	0
Preferred stock, shares outstanding	100	0
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	100,000,000	100,000,000
Common stock, shares issued	23,682,868	22,135,663
Common stock, shares outstanding	22,748,241	21,750,237