Note 18 - Business Combination (Detail) - Consideration Transferred, Amounts Of Assets Acquired, Liabilities Assumed And Bargain Purchase Gain Recognized (USD $) In Thousands, unless otherwise specified	1 Months Ended	6 Months Ended	12 Months Ended
	Dec. 27, 2011	Dec. 31, 2011	Dec. 31, 2012
Components of purchase price
Cash consideration paid to seller at closing			$ 10,901
Accrued consideration			140
Total purchase price	11,041		11,041
Recognized Fair Value Amounts of Identifiable Assets Acquired and Liabilities Assumed
Receivables			4,328
Inventory			9,921
Land, buildings and improvements			6,549
Machinery and equipment			11,404
Assets held for sale (See Note 10)			2,300
Customer relationships			1,496
Accounts payable and accrued expenses			(3,208)
Other non current liabilities			(365)
Deferred tax liability on bargain purchase gain	(8,336)		(8,336)
Total identifiable net assets			24,089
Bargain Purchase Gain, net of tax	$ 13,048	$ 13,048	$ 13,048