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OTHER ACCRUED LIABILITIES - Schedule of Changes in Warranty Costs Provision (Details) - EUR (€)
€ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
OTHER ACCRUED LIABILITIES.    
Beginning of year € 368 € 370
Amount used during the year (225) (269)
New warranty expenses 110 266
End of year 252 368
Less current portion (206) (262)
Long term portion € 46 € 106