Consolidated Balance Sheets (Parenthetical) (USD $) In Millions, except Share data, unless otherwise specified	Dec. 25, 2011	Dec. 26, 2010
Consolidated Balance Sheets
Series B Convertible Preferred Stock, shares authorized	5,000,000	5,000,000
Series B Convertible Preferred Stock, par value (in dollars per share)	$ 0.001	$ 0.001
Series B Convertible Preferred Stock, shares outstanding	0	10,000
Series B Convertible Preferred Stock, liquidation preference (in dollars)		$ 5.0
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized	195,000,000	195,000,000
Common stock, shares issued	32,421,135	18,616,023
Common stock, shares outstanding	32,421,135	18,616,023