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Note 6 - Acquisitions (Detail) - Business acquisitno, pro forma information (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 30, 2013	Mar. 31, 2012
Revenues	$ 41,230	$ 38,206
Operating income	1,514	1,776
Pro Forma [Member]
Revenues		39,314
Operating income		$ 1,838
Diluted earnings per share (in Dollars per share)		$ 0.08

The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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