Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2019

Accounting Policies [Abstract]

Computation of Weighted Average Number of Common Shares Outstanding for Basic and Diluted Earnings Per Share

The weighted average number of common shares outstanding for earnings per share computations was as follows:

	2019			2018			2017
Weighted average common shares		2,980,602			2,980,602			2,980,602
Average treasury shares		(238,306	)		(238,360	)		(238,360	)
Total weighted average common shares outstanding basic and diluted		2,742,296			2,742,242			2,742,242