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FINANCIAL INSTRUMENTS AND RISKS MANAGEMENT (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Fair Value, Inputs, Level 1 [Member] |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Trading securities | $ 358 | $ 1,897
Total Securities | 358 | 1,897
Fair Value, Inputs, Level 1 [Member] | Designated as Hedging Instrument [Member] |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Derivative asset |  |
Fair Value, Inputs, Level 2 [Member] |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Trading securities |  |
Total Securities |  | 1,019
Fair Value, Inputs, Level 2 [Member] | Designated as Hedging Instrument [Member] |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Derivative asset |  | 1,019
Fair Value, Inputs, Level 3 [Member] |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Trading securities |  |
Total Securities |  |
Fair Value, Inputs, Level 3 [Member] | Designated as Hedging Instrument [Member] |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Derivative asset |  |
Foreign Exchange Contract [Member] | Designated as Hedging Instrument [Member] | Cost of Sales [Member] |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Gain recognized in income on derivatives | 399 | 385
Foreign Exchange Contract [Member] |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Derivative notional amount | $ 15,000 |
Derivative, term of contract | 10 months |
Monthly notional amount | $ 1,500 |
Other Current Assets [Member] | Foreign Exchange Contract [Member] | Designated as Hedging Instrument [Member] |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Derivative asset |  |
Other Current Liabilities [Member] | Foreign Exchange Contract [Member] | Designated as Hedging Instrument [Member] |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Derivative asset |  | $ 1,019

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