Note 10 - Per Share Data (Tables)

12 Months Ended

Dec. 31, 2016

Notes Tables

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

	Fiscal Years Ended
	December 31, 2016		January 2, 2016
Basic weighted average shares outstanding		12,302,558		12,658,466
Dilutive effect of outstanding restricted share units and stock options		120,790		242,484
Weighted average dilutive shares outstanding		12,423,348		12,900,950

Unissued Shares of Common Stock [Table Text Block]

	December 31, 2016		January 2, 2016
Exercise of options outstanding		42,000		44,500
Time-based restricted share units outstanding		197,734		208,834
Performance-based restricted share units outstanding		200,000		0
Future grants of options or shares		619,266		382,000
Shares reserved for employee stock purchase plan		268,211		349,436
Total		1,327,211		984,770