CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
CONSOLIDATED BALANCE SHEETS
Allowance for credit losses of trade accounts receivable	$ 31	$ 22
Preferred Stock, Authorized Shares	5,000,000	5,000,000
Common Stock, Authorized Shares	30,000,000	30,000,000
Common Stock, Issued Shares	9,374,698	9,236,040
Common Stock, Outstanding Shares	9,374,698	9,236,040
Series A Junior Participating
CONSOLIDATED BALANCE SHEETS
Preferred Stock, Authorized Shares	200,000	200,000