XML 83 R71.htm IDEA: XBRL DOCUMENT v3.22.1
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - EUR (€)
€ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Short term investments € 0    
Accounts Receivable, Allowance for Credit Loss, Writeoff 0 € 827  
Gain (loss) derivatives 0    
Warranty expense 110 266 € 131
Advertising Expense 490 291 € 739
Operating lease, right of use € 1,555 € 1,895  
Minimum      
Warranty term one year    
Maximum      
Warranty term two years    
Maximum | Sale and leaseback      
Useful life 7 years