Note 10 - Common Stock Repurchases (Details) - Stock Repurchase Activities - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	1 Months Ended	2 Months Ended	3 Months Ended
	Apr. 27, 2014	Sep. 28, 2014	Dec. 28, 2014
Stock Repurchase Activities [Abstract]
Repurchases, Total number of Shares Purchased	273	393	125
Repurchases, Average Price Paid Per Share (or Unit)	$ 10.98	$ 9.83	$ 9.08
Repurchases, Amount Paid for Purchase	$ 3,000	$ 3,864	$ 1,135