Earnings Per Share: (Tables)

6 Months Ended

Jun. 27, 2020

Earnings Per Share:

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

	Three Months Ended		Six Months Ended
	June 27, 2020	June 29, 2019	June 27, 2020	June 29, 2019
Denominator for basic EPS — weighted average common shares	3,688,248	3,771,439	3,699,923	3,839,563
Dilutive shares associated with option plans	115,559	300,969	157,856	296,264
Denominator for diluted EPS — weighted average common shares and dilutive potential common shares	3,803,807	4,072,408	3,857,779	4,135,827
Options excluded from EPS calculation — anti-dilutive	27,250	3,689	10,269	6,710