Note 10 - Per Share Data (Tables)

9 Months Ended

Sep. 28, 2013

Earnings Per Share [Abstract]

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

	Thirteen Week Periods Ended				Thirty-Nine Week Periods Ended
	September 28, 2013		September 29, 2012		September 28, 2013		September 29, 2012
Basic weighted average shares outstanding		12,364,018		12,057,478		12,333,318		12,422,558
Dilutive effect of outstanding stock options		123,400		194,731		98,143		205,140
Weighted average dilutive shares outstanding		12,487,418		12,252,209		12,431,461		12,627,698

Unissued Shares of Common Stock [Table Text Block]

	September 28, 2013		December 29, 2012
Exercise of options outstanding		279,900		307,400
Restricted stock awards outstanding		327,500		350,000
Future grants of options or shares		56,600		34,100
Shares reserved for employee stock purchase plan		189,576		247,752
Total		853,576		939,252