Earnings Per Share: (Tables)

9 Months Ended

Sep. 26, 2015

Earnings Per Share:

Schedule of shares outstanding used in the calculation of basic and diluted earnings per share

	Three Months Ended		Nine Months Ended
	September 26, 2015	September 27, 2014	September 26, 2015	September 27, 2014
Denominator for basic EPS — weighted average common shares	4,128,031	5,022,166	4,568,813	5,093,243
Dilutive shares associated with option plans	210,199	134,619	189,345	142,706
Denominator for diluted EPS — weighted average common shares and dilutive potential common shares	4,338,230	5,156,785	4,758,158	5,235,949
Options excluded from EPS calculation — anti-dilutive	5,309	32,169	16,961	25,676