Note 12 - Treasury Stock Transactions (Details) (USD $) In Millions, except Share data, unless otherwise specified	12 Months Ended	69 Months Ended		9 Months Ended
	Dec. 28, 2013 Stock Repurchase Program 2010 [Member]	Sep. 27, 2014 Stock Repurchase Program 2010 [Member]	Feb. 28, 2010 Stock Repurchase Program 2010 [Member]	Sep. 27, 2014 Stock Repurchase Program 2013 [Member]	Oct. 28, 2013 Stock Repurchase Program 2013 [Member]
Note 12 - Treasury Stock Transactions (Details) [Line Items]
Stock Repurchase Program, Authorized Amount			$ 7.5		$ 5.0
Treasury Stock, Shares, Acquired	15,450	1,473,306		0
Treasury Stock Acquired, Average Cost Per Share	$ 5.35	$ 5.09
Treasury Stock, Value, Acquired, Cost Method		$ 7.5