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Schedule II. - VALUATION AND QUALIFYING ACCOUNTS (Details) - Allowance for doubtful accounts - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Valuation and Qualifying Accounts      
Balance at beginning of year $ 182 $ 111 $ 100
Charged to cost and expenses 155 245 159
Deductions (252) (174) (148)
Balance at end of year $ 85 $ 182 $ 111