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TAXES ON INCOME (Narrative) (Details) - USD ($) $ in Thousands | 1 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2017 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2016
Taxes On Income [Line Items] |  |  |  |  |
Revenues |  | $ 145,600 | $ 135,922 | $ 110,100 |
Israeli Income tax rate |  | 23.00% | 23.00% | 23.00% |
Tax-exempt period |  | 2 years |  |  |
Dividend, withholding tax rate |  | 15.00% |  |  |
Patent use right, period |  | 8 years |  |  |
Expense deductible period |  | 3 years |  |  |
Net operating loss carry forwards |  | $ 64,943 |  |  |
Capital loss carry forwards |  | 26,966 |  |  |
Provision |  | 843 |  |  |
Amounts added to provision for ASC 740-10 during year |  | 100 |  |  |
Deferred tax assets valuation allowance |  | $ 30,256 | $ 27,652 |  |
Israeli resident corporation [Member] |  |  |  |  |
Taxes On Income [Line Items] |  |  |  |  |
Dividend, withholding tax rate |  | 0.00% | 0.00% | 0.00% |
Israeli resident individual [Member] |  |  |  |  |
Taxes On Income [Line Items] |  |  |  |  |
Dividend, withholding tax rate |  | 20.00% | 20.00% | 20.00% |
non-Israeli resident [Member] |  |  |  |  |
Taxes On Income [Line Items] |  |  |  |  |
Dividend, withholding tax rate |  | 20.00% | 20.00% | 20.00% |
Minimum [Member] |  |  |  |  |
Taxes On Income [Line Items] |  |  |  |  |
Change in corporate tax rate |  | 10.00% |  |  |
Tax-exempt period |  | 5 years |  |  |
Maximum [Member] |  |  |  |  |
Taxes On Income [Line Items] |  |  |  |  |
Change in corporate tax rate |  | 25.00% |  |  |
Tax-exempt period |  | 8 years |  |  |
Preferred Enterprise [Member] |  |  |  |  |
Taxes On Income [Line Items] |  |  |  |  |
Revenues | $ 10,000,000 |  |  |  |
Israeli Income tax rate | 12.00% |  |  |  |
Special Technological Preferred Enterprise [Member] |  |  |  |  |
Taxes On Income [Line Items] |  |  |  |  |
Revenues | $ 10,000,000 |  |  |  |
Israeli Income tax rate | 6.00% |  |  |  |
Israel [Member] |  |  |  |  |
Taxes On Income [Line Items] |  |  |  |  |
Write-off prepaid and withholding taxes |  | $ 5,662 |  |  |
United States of America [Member] | Minimum [Member] |  |  |  |  |
Taxes On Income [Line Items] |  |  |  |  |
Net operating loss carry forwards |  | $ 3,856 |  |  |
Expiration of operating loss carry forward |  | Dec. 31, 2026 |  |  |
United States of America [Member] | Maximum [Member] |  |  |  |  |
Taxes On Income [Line Items] |  |  |  |  |
Net operating loss carry forwards |  | $ 5,483 |  |  |
Expiration of operating loss carry forward |  | Dec. 31, 2037 |  |  |
Development Zone A [Member] |  |  |  |  |
Taxes On Income [Line Items] |  |  |  |  |
Israeli Income tax rate |  | 7.50% |  |  | 7.50%
Outside Development Zone [Member] |  |  |  |  |
Taxes On Income [Line Items] |  |  |  |  |
Israeli Income tax rate |  | 16.00% |  |  | 16.00%

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