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Note 10 - Per Share Data (Tables)

6 Months Ended

Jun. 30, 2012

Schedule of Weighted Average Number of Shares [Table Text Block]

		Thirteen Week Periods Ended								Twenty-Six Week Periods Ended
		June 30, 2012				July 2, 2011				June 30, 2012				July 2, 2011

Basic weighted average shares outstanding			12,457,871				13,059,595				12,605,098				13,072,042
Dilutive effect of outstanding stock options			211,797				240,513				211,788				195,940
Weighted average dilutive shares outstanding			12,669,668				13,300,108				12,816,886				13,267,982

Unissued Shares of Common Stock [Table Text Block]

		June 30, 2012				December 31, 2011

Exercise of options outstanding			848,844				916,594
Future grants of options or shares			417,600				437,600
Shares reserved for employee stock purchase plan			263,056				276,957

Total			1,529,500				1,631,151