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SEGMENT INFORMATION (Schedule of Assets, Depreciation and Amortization, and Capital Expenditures by Segment) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018 | [1]
Segment Reporting, Asset Reconciling Item [Line Items] |  |  |  |
Total assets | $ 116,121 | $ 114,675 |  |
Depreciation and amortization | 4,065 | 4,292 | [1] | $ 4,065
Expenditure for segment assets | 11,040 | 3,822 |  |
Discontinued Operation [Member] |  |  |  |
Segment Reporting, Asset Reconciling Item [Line Items] |  |  |  |
Total assets |  | 2,227 |  |
Depreciation and amortization |  |  |  |
Expenditure for segment assets |  |  |  |
OEM of Heat Transfer Solutions and Aviation Accessories [Member] |  |  |  |
Segment Reporting, Asset Reconciling Item [Line Items] |  |  |  |
Total assets | 32,536 | 29,149 |  |
Depreciation and amortization | 1,400 | 1,601 |  |
Expenditure for segment assets | 765 | 1,600 |  |
MRO Services for heat transfer components and OEM of heat transfer solutions [Member] |  |  |  |
Segment Reporting, Asset Reconciling Item [Line Items] |  |  |  |
Total assets | 21,525 | 31,031 |  |
Depreciation and amortization | 1,020 | 1,031 |  |
Expenditure for segment assets | 556 | 1,180 |  |
MRO services for Aviation Components [Member] |  |  |  |
Segment Reporting, Asset Reconciling Item [Line Items] |  |  |  |
Total assets | 41,433 | 34,264 |  |
Depreciation and amortization | 799 | 786 |  |
Expenditure for segment assets | 9,410 | 803 |  |
Overhaul and coating of jet engine components [Member] |  |  |  |
Segment Reporting, Asset Reconciling Item [Line Items] |  |  |  |
Total assets | 6,073 | 7,967 |  |
Depreciation and amortization | 846 | 954 |  |
Expenditure for segment assets | 309 | 239 |  |
Amounts not allocated to segments [Member] |  |  |  |
Segment Reporting, Asset Reconciling Item [Line Items] |  |  |  |
Total assets | 14,554 | 10,037 |  |
Depreciation and amortization |  |  |  |
Expenditure for segment assets |  |  |  |
[1] | Reclassified due to discontinued operation.

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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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