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SEGMENT INFORMATION (Schedule of Assets, Depreciation and Amortization, and Capital Expenditures by Segment) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Segment Reporting, Asset Reconciling Item [Line Items] |  |  |
Total assets | $ 103,287 | $ 111,995 | $ 111,977
Depreciation and amortization | 4,185 | 3,941 | 3,636
Expenditure for segment assets | 4,161 | 2,884 | 5,894
OEM of Heat Transfer Solutions and Aviation Accessories [Member] |  |  |
Segment Reporting, Asset Reconciling Item [Line Items] |  |  |
Total assets | 26,171 | 29,411 | 28,885
Depreciation and amortization | 1,476 | 1,299 | 1,199
Expenditure for segment assets | 2,665 | 1,769 | 1,437
MRO Services for heat transfer components and OEM of heat transfer solutions [Member] |  |  |
Segment Reporting, Asset Reconciling Item [Line Items] |  |  |
Total assets | 33,794 | 35,067 | 34,729
Depreciation and amortization | 1,044 | 1,029 | 898
Expenditure for segment assets | 588 | 866 | 1,266
MRO services for Aviation Components [Member] |  |  |
Segment Reporting, Asset Reconciling Item [Line Items] |  |  |
Total assets | 27,687 | 27,276 | 27,246
Depreciation and amortization | 705 | 653 | 542
Expenditure for segment assets | 764 | 847 | 2,686
Overhaul and coating of jet engine components [Member] |  |  |
Segment Reporting, Asset Reconciling Item [Line Items] |  |  |
Total assets | 11,100 | 11,915 | 11,616
Depreciation and amortization | 960 | 960 | 997
Expenditure for segment assets | 144 | 402 | 505
Amounts not allocated to segments [Member] |  |  |
Segment Reporting, Asset Reconciling Item [Line Items] |  |  |
Total assets | 4,535 | 8,326 | 9,500
Depreciation and amortization |  |  |
Expenditure for segment assets |  |  |

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- Definition Total expenditures for additions to long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets of the reportable segment; if the amount: (a) is included in the determination of segment assets reviewed by the chief operating decision maker or (b) is otherwise regularly provided to the chief operating decision maker, even if not included in the determination of segment assets. + References No definition available. + Details
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