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COMMITMENTS AND CONTINGENT LIABILITIES (Commissions and Royalty Commitments) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Commissions arrangements: |  |  |
Commission expenses | $ 528 | $ 679 | $ 411
Royalty commitments: |  |  |
Royalty expense | 174 | 42 | 148
Limco Piedmont Inc [Member] |  |  |
Royalty commitments: |  |  |
Royalty expense | $ 1,648 | $ 2,310 | $ 1,689
Limco Piedmont Inc [Member] | Minimum [Member] |  |  |
Royalty commitments: |  |  |
Royalties percentage rate for sales of products developed by third parties | 5.00% |  |
Royalties percentage rate for sales of additional products developed by third parties | 10.00% |  |
Limco Piedmont Inc [Member] | Maximum [Member] |  |  |
Royalty commitments: |  |  |
Royalties percentage rate for sales of products developed by third parties | 13.00% |  |
Royalties percentage rate for sales of additional products developed by third parties | 20.00% |  |
TAT Technologies Ltd [Member] | Minimum [Member] |  |  |
Commissions arrangements: |  |  |
Percentage rate paid to sales agents for marketing commissions | 1.00% |  |
Royalty commitments: |  |  |
Royalties percentage rate for sales of products developed by third parties | 12.00% |  |
TAT Technologies Ltd [Member] | Maximum [Member] |  |  |
Commissions arrangements: |  |  |
Percentage rate paid to sales agents for marketing commissions | 10.00% |  |
Royalty commitments: |  |  |
Royalties percentage rate for sales of products developed by third parties | 20.00% |  |

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- Definition Amount of expense related to royalty payments under a contractual arrangement such as payment for mineral and drilling rights and use of technology or intellectual property. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.3) -URI http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227 + Details
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- Definition Primarily represents commissions incurred in the period based upon the sale by commissioned employees or third parties of the entity's goods or services, and fees for sales assistance or product enhancements performed by third parties (such as a distributor or value added reseller). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.4) -URI http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227 + Details
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