XML 42 R33.htm IDEA: XBRL DOCUMENT v3.23.3
Note D - Marketable Equity Securities - Realized Gains on Marketable Equity Securities (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Sales proceeds $ 343 $ 0 $ 343 $ 0
Cost of securities sold 255 0 255 0
Realized gain $ 88 $ 0 $ 88 $ 0