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SEGMENT INFORMATION (Tables)
 12 Months Ended
Dec. 31, 2020
Segment Reporting [Abstract]  
Schedule of Operating Income by Segment
The following financial information is a summary of the operating income of each operational segment:

   
Year ended December 31, 2020
  
   
OEM of Heat Transfer Solutions and Aviation Accessories
    
MRO Services for heat transfer components and OEM of heat transfer solutions
    
MRO services for Aviation Components
    
Overhaul and coating of jet engine components
    
Elimination of inter-company sales
    
Consolidated
  
Revenues
                                    
Sale of products and services
  
$
20,179
    
$
20,445
    
$
31,189
    
$
3,546
    
$
-
    
$
75,359
  
Intersegment revenues
    
2,946
      
195
      
-
      
-
      
(3,141
)
    
-
  
Total revenues
    
23,125
      
20,640
      
31,189
      
3,546
      
(3,141
)
    
75,359
  
                                                 
Cost of revenues
    
21,703
      
17,885
      
26,961
      
3,312
      
(2,937
)
    
66,924
  
Gross profit
    
1,422
      
2,755
      
4,228
      
234
      
(204
)
    
8,435
  
                                                 
Research and development
    
(3
)
    
(2
)
    
7
      
183
      
-
      
185
  
Selling and marketing
    
1,429
      
1,152
      
1,527
      
261
      
-
      
4,369
  
General and administrative
    
2,183
      
2,054
      
2,732
      
643
      
-
      
7,612
  
Other expenses (income)
    
-
      
21
      
-
      
294
      
-
      
315
  
Operating income (loss)
  
$
(2,187
)
  
$
(470
)
  
$
(38
)
    
(1,147
)
  
$
(204
)
  
$
(4,046
)
Financial expenses, net
                                            
770
  
Loss before tax benefits
                                            
(4,816
)

   
Year ended December 31, 2019
  
   
OEM of Heat Transfer Solutions and Aviation Accessories
    
MRO Services for heat transfer components and OEM of heat transfer solutions
    
MRO services for Aviation Components
    
Overhaul and coating of jet engine components
    
Elimination of inter-company sales
    
Consolidated
  
Revenues
                                    
Sale of products and services
  
$
20,552
    
$
34,183
    
$
38,687
    
$
4,057
    
$
-
    
$
97,479
  
Intersegment revenues
    
6,037
      
250
      
-
      
-
      
(6,287
)
    
-
  
Total revenues
    
26,589
      
34,433
      
38,687
      
4,057
      
(6,287
)
    
97,479
  
                                                 
Cost of revenues
    
23,998
      
27,852
      
33,337
      
3,460
      
(6,468
)
    
82,179
  
Gross profit (loss)
    
2,591
      
6,581
      
5,350
      
597
      
181
      
15,300
  
                                                 
Research and development
    
58
      
83
      
7
      
(35
)
    
-
      
113
  
Selling and marketing
    
1,530
      
1,638
      
1,334
      
427
      
-
      
4,929
  
General and administrative
    
1,978
      
2,734
      
2,408
      
534
      
-
      
7,654
  
Operating income (loss)
  
$
(975
)
  
$
2,126
    
$
1,601
    
$
(329
)
  
$
181
    
$
2,604
  
Financial expenses, net
                                            
422
  
Loss before taxes on income
                                            
2,182
  

   
Year ended December 31, 2018
  
   
OEM of Heat Transfer Solutions and Aviation Accessories
    
MRO Services for heat transfer components and OEM of heat transfer solutions
    
MRO services for Aviation Components
    
Overhaul and coating of jet engine components
    
Elimination of inter-company sales
    
Consolidated
  
Revenues
                                    
Sale of products and services
  
$
20,065
    
$
30,929
    
$
32,487
    
$
4,240
    
$
-
    
$
87,721
  
Intersegment revenues
    
4,642
      
415
      
-
      
-
      
(5,057
)
    
-
  
Total revenues
    
24,707
      
31,344
      
32,487
      
4,240
      
(5,057
)
    
87,721
  
                                                 
Cost of revenues
    
25,612
      
27,659
      
28,561
      
3,287
      
(5,343
)
    
79,776
  
Gross profit
    
(905
)
    
3,685
      
3,926
      
953
      
286
      
7,945
  
                                                 
Research and development
    
287
      
98
      
-
      
73
      
-
      
458
  
Selling and marketing
    
1,512
      
1,660
      
1,324
      
258
      
-
      
4,754
  
General and administrative
    
2,384
      
2,375
      
2,631
      
511
      
-
      
7,901
  
Other expenses
    
(2
)
    
-
      
(2
)
    
-
      
-
      
(4
)
Operating income (loss)
  
$
(5,086
)
  
$
(448
)
  
$
(27
)
  
$
111
    
$
286
      
(5,164
)
Financial expenses, net
                                            
88
  
Income before taxes on income
                                            
(5,252
)
Schedule of Assets, Depreciation and Amortization, and Capital Expenditures by Segment
The following financial information identifies the assets, depreciation and amortization, and capital expenditures to segments:

   
Year ended December 31, 2020
  
   
OEM of Heat Transfer Solutions and Aviation Accessories
    
MRO Services for heat transfer components and OEM of heat transfer solutions
    
MRO services for Aviation Components
    
Overhaul and coating of jet engine components
    
Discontinued
operation
    
Amounts not allocated to segments
    
Consolidated
  
                                           
Total assets
    
32,536
      
21,525
      
41,433
      
6,073
      
-
      
14,554
      
116,121
  
Depreciation and amortization
    
1,400
      
1,020
      
799
      
846
      
-
      
-
      
4,065
  
Expenditure for segment assets
    
765
      
556
      
9,410
      
309
      
-
      
-
      
11,040
  

   
Year ended December 31, 2019
  
   
OEM of Heat Transfer Solutions and Aviation Accessories
    
MRO Services for heat transfer components and OEM of heat transfer solutions
    
MRO services for Aviation Components
    
Overhaul and coating of jet engine components
    
Discontinued
operation
    
Amounts not allocated to segments
    
Consolidated
  
                                           
Total assets
    
29,149
      
31,031
      
34,264
      
7,967
      
2,227
      
10,037
      
114,675
  
Depreciation and amortization
    
1,601
      
1,031
      
786
      
954
      
-
      
-
      
4,372
  
Expenditure for segment assets
    
1,600
      
1,180
      
803
      
239
      
-
      
-
      
3,822