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SUPPLEMENTAL CONSOLIDATED BALANCE SHEETS INFORMATION (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Warranty provision [Member]      
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]      
Balance, beginning $ 250 $ 235 $ 285
Additions 80 80 115
Deductions (87) (65) (165)
Balance, ending 243 250 235
Provision for current expected credit losses [Member]      
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]      
Balance, beginning 306 314 276
Additions 269 194 84
Deductions (186) (202) (46)
Balance, ending $ 389 $ 306 $ 314