Condensed Consolidated Balance Sheets - Parenthetical - USD ($)	Jun. 30, 2023	Dec. 31, 2022
Condensed Consolidated Balance Sheets
Accounts Receivable, Allowance for Credit Loss, Current	$ 146,000	$ 160,000
Preferred Stock, Par or Stated Value Per Share	$ 0	$ 0
Preferred Stock, Shares Authorized	500,000	500,000
Preferred Stock, Shares Outstanding	0	0
Common Stock, Par or Stated Value Per Share	$ 1.00	$ 1.00
Common Stock, Shares Authorized	4,000,000	4,000,000
Common Stock, Shares, Issued	1,138,096	1,138,096
Common Stock, Shares, Outstanding	966,132	966,132