CONSOLIDATED BALANCE SHEETS (Parenthetical) (UNAUDITED) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Trade Accounts Receivable, Net Of Allowance	$ 71	$ 72
Preferred Stock, Authorized Shares	5,000,000	5,000,000
Common Stock, Authorized Shares	30,000,000	30,000,000
Common Stock, Issued Shares	9,024,959	9,020,819
Common Stock, Outstanding Shares	9,024,959	9,020,819
Series A Junior Participating
Preferred Stock, Authorized Shares	200,000	200,000