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SEGMENT INFORMATION (Schedule of Operating Income By Segment) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Revenues | $ 85,607 | $ 80,726 | $ 79,551
Cost of revenues | 71,942 | 64,522 | 61,743
Gross profit | 13,665 | 16,204 | 17,808
Research and development | 890 | 1,070 | 713
Selling and marketing | 2,903 | 3,203 | 3,150
General and administrative | 8,469 | 8,123 | 8,668
Other expenses (income) | 631 | $ (11) | $ (20)
Gain on bargain purchase | (4,833) |  |
Operating income | 5,605 | $ 3,819 | $ 5,297
Sale of Products and Services [Member] |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Revenues | $ 85,607 | $ 80,726 | $ 79,551
Intersegment Revenues [Member] |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Revenues |  |  |
Elimination from inter companies sale [Member] |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Revenues | $ (4,315) | $ (5,543) | $ (3,923)
Cost of revenues | (4,445) | (5,330) | (4,086)
Gross profit | $ 130 | $ (213) | $ 163
Research and development |  |  |
Selling and marketing |  |  |
General and administrative |  |  |
Other expenses (income) |  |  |
Operating income | $ 130 | $ (213) | $ 163
Elimination from inter companies sale [Member] | Sale of Products and Services [Member] |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Revenues |  |  |
Elimination from inter companies sale [Member] | Intersegment Revenues [Member] |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Revenues | $ (4,315) | $ (5,543) | $ (3,923)
OEM of Heat Transfer Solutions and Aviation Components [Member] |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Revenues | 27,351 | 28,185 | 31,138
Cost of revenues | 23,887 | 23,249 | 24,141
Gross profit | 3,464 | 4,936 | 6,997
Research and development | 619 | 841 | 415
Selling and marketing | 1,270 | 1,538 | 1,520
General and administrative | 1,880 | 2,717 | 3,158
Other expenses (income) |  | (11) | (20)
Operating income | (305) | (149) | 1,924
OEM of Heat Transfer Solutions and Aviation Components [Member] | Sale of Products and Services [Member] |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Revenues | 23,511 | 22,871 | 27,326
OEM of Heat Transfer Solutions and Aviation Components [Member] | Intersegment Revenues [Member] |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Revenues | 3,840 | 5,314 | 3,812
Heat Transfer Services and Products [Member] |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Revenues | 31,001 | 30,350 | 29,907
Cost of revenues | 22,541 | 23,101 | 22,464
Gross profit | 8,460 | 7,249 | 7,443
Research and development | 264 | 229 | 298
Selling and marketing | 961 | 1,058 | 1,145
General and administrative | 3,000 | $ 2,417 | $ 2,249
Other expenses (income) |  |  |
Operating income | 4,235 | $ 3,545 | $ 3,751
Heat Transfer Services and Products [Member] | Sale of Products and Services [Member] |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Revenues | 30,526 | 30,121 | 29,796
Heat Transfer Services and Products [Member] | Intersegment Revenues [Member] |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Revenues | 475 | 229 | 111
MRO services for Aviation Components [Member] |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Revenues | 29,665 | 27,734 | 22,429
Cost of revenues | 28,474 | 23,502 | 19,224
Gross profit | $ 1,191 | $ 4,232 | $ 3,205
Research and development |  |  |
Selling and marketing | $ 608 | $ 607 | $ 485
General and administrative | 3,303 | $ 2,989 | $ 3,261
Other expenses (income) |  |  |
Operating income | (2,720) | $ 636 | $ (541)
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 | $ 29,665 | $ 27,734 | $ 22,429
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 | $ 1,905 |  |
Cost of revenues | 1,485 |  |
Gross profit | 420 |  |
Research and development | 7 |  |
Selling and marketing | 64 |  |
General and administrative | 286 |  |
Operating income | 63 |  |
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 | $ 1,905 |  |
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] |  |  |
Other expenses (income) | $ 631 |  |
Gain on bargain purchase | (4,833) |  |
Operating income | $ (4,202) |  |

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