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Note 12 - Other Accrued Liabilities (Tables)
12 Months Ended
Dec. 31, 2019
Notes Tables  
Schedule of Accrued Liabilities [Table Text Block]
    December 31,
    2019   2018
Retirement indemnities    
2,444
     
2,287
 
Provision for warranty costs    
370
     
547
 
Accruals for payroll and associated taxes    
738
     
680
 
Conditional government advances    
1,071
     
1,039
 
Value added tax payable    
557
     
327
 
Advances received from customers    
-
     
115
 
Provision for Asset Retirement Obligation (Japan)    
117
     
118
 
Provision for employee termination indemnities (Italy)    
-
     
369
 
Provision for employee termination indemnities (Korea)    
56
     
30
 
Others    
323
     
411
 
Total    
5,676
     
5,923
 
Less non-current portion    
(3,567
)    
(3,800
)
Current portion    
2,109
     
2,122
 
Schedule of Conditional Advances [Table Text Block]
2020    
-
 
2021    
6
 
2022    
209
 
2023    
209
 
2024 and thereafter    
646
 
Total    
1,071
 
Schedule of Product Warranty Liability [Table Text Block]
    December 31,
    2019   2018
Beginning of year    
547
     
449
 
Amount used during the year    
(308
)    
(335
)
New warranty expenses    
131
     
433
 
End of year    
370
     
547
 
Less current portion    
(260
)    
(356
)
Long term portion    
110
     
191