Earnings Per Share: (Tables)

3 Months Ended

Mar. 27, 2021

Earnings Per Share:

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

	Three Months Ended
	March 27, 2021	March 28, 2020
Denominator for basic EPS — weighted average common shares	3,736,676	3,711,597
Dilutive shares associated with option plans	137,551	200,154
Denominator for diluted EPS — weighted average common shares and dilutive potential common shares	3,874,227	3,911,751
Options excluded from EPS calculation — anti-dilutive	6,987	2,192