Per Share Data (Tables)

9 Months Ended

Sep. 30, 2020

Earnings Per Share [Abstract]

Schedule of weighted average common shares (denominator) used in the basic and dilutive earnings per share computation

	Three Months Ended September 30,		Nine Months Ended September 30,
	2020	2019	2020	2019
Weighted average common shares issued	7,525,561	7,517,280	7,522,803	7,516,406
Weighted average treasury stock shares	(480,225)	(480,225)	(480,225)	(480,225)
Weighted average common shares outstanding - basic	7,045,336	7,037,055	7,042,578	7,036,181
Dilutive effect of outstanding stock options	—	—	—	—
Weighted average common shares outstanding - basic and diluted	7,045,336	7,037,055	7,042,578	7,036,181