Note 10 - Per Share Data (Tables)

6 Months Ended

Jul. 01, 2017

Notes Tables

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

	Thirteen Week Periods Ended				Twenty-Six Week Periods Ended
	July 1, 2017		July 2, 2016		July 1, 2017		July 2, 2016
Basic weighted average shares outstanding		11,961,967		12,363,811		11,954,310		12,423,179
Dilutive effect of outstanding stock options and restricted stock awards		107,321		101,924		104,052		84,963
Weighted average dilutive shares outstanding		12,069,288		12,465,735		12,058,362		12,508,142

Unissued Shares of Common Stock [Table Text Block]

	July 1, 2017		December 31, 2016
Exercise of options outstanding		42,000		42,000
Time-based restricted stock units outstanding		187,734		197,734
Performance-based restricted stock units outstanding		400,000		200,000
Future grants of options or shares		404,266		619,266
Shares reserved for employee stock purchase plan		224,463		268,211
Total		1,258,463		1,327,211