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CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
CONSOLIDATED BALANCE SHEETS |  |
Allowance for credit losses of trade accounts receivable | $ 22 | $ 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 | 9,236,040 | 9,020,819
Common Stock, Outstanding Shares | 9,236,040 | 9,020,819
Series A Junior Participating |  |
CONSOLIDATED BALANCE SHEETS |  |
Preferred Stock, Authorized Shares | 200,000 | 200,000

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