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SEGMENT INFORMATION (Schedule of Operating Income By Segment) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]      
Revenues external $ 113,794 $ 84,556 $ 77,973
Revenues internal 0 0 0
Cost of revenues 91,326 68,628 66,703
Gross profit 22,468 15,928 11,270
Research and development 715 479 517
Selling and marketing 5,523 5,629 5,147
General and administrative 10,588 9,970 8,354
Other expenses (income) (433) (90) (468)
Restructuring Charges 0 1,715 1,755
Operating income (loss) 6,075 (1,775) (4,035)
Financial expense, net (1,330) 127 540
Profit (loss) before taxes on income 4,745 (1,648) (4,575)
OEM of Heat Transfer Solutions and Aviation Accessories [Member]      
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]      
Revenues external 27,555 21,844 25,977
Revenues internal   0 0
Cost of revenues 20,193 18,778 24,044
Gross profit 7,362 3,066 1,933
Research and development 159 193 122
Selling and marketing 1,618 1,936 2,040
General and administrative 2,772 3,226 3,128
Other expenses (income) 9 (1,566) (913)
Restructuring Charges   975 1,338
Operating income (loss) 2,804 (1,698) (3,782)
MRO Services for heat transfer components and OEM of heat transfer solutions [Member]      
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]      
Revenues external 28,625 21,063 14,930
Revenues internal 4,370 3,733 3,916
Cost of revenues 30,176 20,750 16,922
Gross profit 2,819 4,046 1,924
Research and development 177 54 80
Selling and marketing 1,539 926 1,015
General and administrative 3,436 2,462 1,855
Other expenses (income) (3) (52) 0
Restructuring Charges   618 386
Operating income (loss) (2,330) (38) (1,412)
MRO services for Aviation Components and Lease [Member]      
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]      
Revenues external 50,760 35,879 33,232
Revenues internal   0 0
Cost of revenues 41,788 28,890 26,444
Gross profit 8,972 6,989 6,788
Research and development 268 286 202
Selling and marketing 2,040 2,383 1,961
General and administrative 3,555 3,686 3,004
Other expenses (income) (439) (18) (432)
Restructuring Charges   0 0
Operating income (loss) 3,548 652 2,053
Overhaul and coating of jet engine components [Member]      
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]      
Revenues external 6,854 5,770 3,834
Revenues internal   0 0
Cost of revenues 4,110 3,495 2,978
Gross profit 2,744 2,275 856
Research and development 111 19 160
Selling and marketing 326 330 220
General and administrative 825 594 558
Other expenses (income) (423) 0 (19)
Restructuring Charges   122 31
Operating income (loss) 1,905 1,210 (94)
Elimination of inter-company sales [Member]      
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]      
Revenues external   0 0
Revenues internal (4,370) (3,733) (3,916)
Cost of revenues (4,941) (3,285) (3,685)
Gross profit 571 (448) (231)
Research and development   (74) (47)
Selling and marketing   (54) (89)
General and administrative   (2) (191)
Other expenses (income) 423 1,547 896
Restructuring Charges   0 0
Operating income (loss) $ 148 $ (1,977) $ (800)