Condensed Consolidated Balance Sheets (Unaudited) (Parentheticals) (USD $)	Mar. 31, 2013	Dec. 30, 2012
Preferred stock par value (in Dollars per share)	$ 0.001	$ 0.001
Preferred stock, shares authorized (in Shares)	50,000,000	50,000,000
Preferred stock, shares issued (in Shares)	0	0
Preferred stock, shares outstanding (in Shares)	0	0
Common Class A [Member]
Common stock par value (in Dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized (in Shares)	150,000,000	150,000,000
Common stock, shares issued (in Shares)	58,086,437	57,267,409
Common stock, shares outstanding (in Shares)	58,086,437	57,267,409
Common Class B [Member]
Common stock par value (in Dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized (in Shares)	1	1
Common stock, shares issued (in Shares)	1	1
Common stock, shares outstanding (in Shares)	1	1