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SEGMENT INFORMATION (Schedule of Operating Income By Segment) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Revenues | $ 93,178 | $ 106,527 | $ 95,794
Cost of revenues | 84,787 | 86,083 | 76,757
Gross profit | 8,391 | 20,444 | 19,037
Research and development | 553 | 731 | 1,140
Selling and marketing | 4,913 | 4,974 | 3,876
General and administrative | 8,559 | 9,409 | 10,023
Other expenses (income) | (4) | 53 | (138)
Operating income (loss) | (5,630) | 5,277 | 4,136
Financial expense, net | 102 | 338 | 154
Income before taxes on income | (5,732) | 4,939 | 3,982
Sale of Products and Services [Member] |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Revenues | 93,178 | 106,527 | 95,794
Intersegment Revenues [Member] |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Revenues |  |  |
Elimination of inter-company sales [Member] |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Revenues | (5,057) | (3,536) | (5,729)
Cost of revenues | (5,343) | (3,620) | (5,744)
Gross profit | 286 | 84 | 15
Research and development |  |  |
Selling and marketing |  |  |
General and administrative |  |  |
Other expenses (income) |  |  |
Operating income (loss) | 286 | 84 | 15
Elimination of inter-company sales [Member] | Sale of Products and Services [Member] |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Revenues |  |  |
Elimination of inter-company sales [Member] | Intersegment Revenues [Member] |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Revenues | (5,057) | (3,536) | (5,729)
OEM of Heat Transfer Solutions and Aviation Accessories [Member] |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Revenues | 24,707 | 31,237 | 28,255
Cost of revenues | 25,612 | 25,535 | 24,028
Gross profit | (905) | 5,702 | 4,227
Research and development | 287 | 398 | 758
Selling and marketing | 1,512 | 1,968 | 1,544
General and administrative | 2,384 | 2,072 | 2,539
Other expenses (income) | (2) |  |
Operating income (loss) | (5,086) | 1,264 | (614)
OEM of Heat Transfer Solutions and Aviation Accessories [Member] | Sale of Products and Services [Member] |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Revenues | 20,065 | 27,898 | 23,515
OEM of Heat Transfer Solutions and Aviation Accessories [Member] | Intersegment Revenues [Member] |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Revenues | 4,642 | 3,339 | 4,740
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 | 31,344 | 34,812 | 32,429
Cost of revenues | 27,659 | 26,085 | 23,440
Gross profit | 3,685 | 8,727 | 8,989
Research and development | 98 | 169 | 210
Selling and marketing | 1,660 | 1,358 | 1,105
General and administrative | 2,375 | 3,182 | 2,915
Other expenses (income) |  |  |
Operating income (loss) | (448) | 4,018 | 4,759
MRO Services for heat transfer components and OEM of heat transfer solutions [Member] | Sale of Products and Services [Member] |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Revenues | 30,929 | 34,615 | 31,440
MRO Services for heat transfer components and OEM of heat transfer solutions [Member] | Intersegment Revenues [Member] |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Revenues | 415 | 197 | 989
MRO services for Aviation Components [Member] |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Revenues | 32,487 | 33,009 | 31,630
Cost of revenues | 28,561 | 29,026 | 27,423
Gross profit | 3,926 | 3,983 | 4,207
Research and development |  |  | 29
Selling and marketing | 1,324 | 1,213 | 792
General and administrative | 2,631 | 3,049 | 3,473
Other expenses (income) | (2) | 53 |
Operating income (loss) | (27) | (332) | (87)
MRO services for Aviation Components [Member] | Sale of Products and Services [Member] |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Revenues | 32,487 | 33,009 | 31,630
MRO services for Aviation Components [Member] | Intersegment Revenues [Member] |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Revenues |  |  |
Overhaul and coating of jet engine components [Member] |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Revenues | 9,697 | 11,005 | 9,209
Cost of revenues | 8,298 | 9,057 | 7,610
Gross profit | 1,399 | 1,948 | 1,599
Research and development | 168 | 164 | 143
Selling and marketing | 417 | 435 | 435
General and administrative | 1,169 | 1,106 | 1,096
Other expenses (income) |  |  |
Operating income (loss) | (355) | 243 | (75)
Overhaul and coating of jet engine components [Member] | Sale of Products and Services [Member] |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Revenues | 9,697 | 11,005 | 9,209
Overhaul and coating of jet engine components [Member] | Intersegment Revenues [Member] |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Revenues |  |  |
Other [Member] |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Revenues |  |  |
Cost of revenues |  |  |
Gross profit |  |  |
Research and development |  |  |
Selling and marketing |  |  |
General and administrative |  |  |
Other expenses (income) |  |  | (138)
Operating income (loss) |  |  | 138
Other [Member] | Sale of Products and Services [Member] |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Revenues |  |  |
Other [Member] | Intersegment Revenues [Member] |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Revenues |  |  |

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