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VALUATION ACCOUNTS (Details) - EUR (€) € in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
SEC Schedule, 12-09, Valuation Allowance, Deferred Tax Asset [Member] |  |  |
Balance | € 14,977 | € 14,553 | € 14,266
Charges to costs and expenses | 596 | 859 | 515
Deductions: write-off and others | (65) | (435) | (228)
Balance | 15,508 | 14,977 | 14,553
SEC Schedule, 12-09, Allowance, Credit Loss [Member] |  |  |
Balance | 1,490 | 1,404 | 1,029
Charges to costs and expenses | 90 | 94 | 365
Deductions: write-off and others | (858) | (9) | 10
Balance | 722 | 1,490 | 1,404
SEC Schedule, 12-09, Reserve, Inventory [Member] |  |  |
Balance | 1,085 | 974 | 723
Charges to costs and expenses | 651 | 333 | 355
Deductions: write-off and others | (172) | (223) | (104)
Balance | 1,563 | 1,085 | 974
SEC Schedule, 12-09, Reserve, Warranty [Member] |  |  |
Balance | 370 | 548 | 449
Charges to costs and expenses | 266 | 131 | 433
Deductions: write-off and others | (268) | (308) | (334)
Balance | € 368 | € 370 | € 548

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- Definition Amount of valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09(Column B)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09(Column E)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690 + Details
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- Definition Amount of increase in valuation and qualifying accounts and reserves from charge to cost and expense. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09(Column C)(1)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690 + Details
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- Definition Amount of increase (decrease) in valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690 + Details
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