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LIABILITY FOR EMPLOYEE RIGHTS UPON RETIREMENT (Details) | 12 Months Ended
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Dec. 31, 2022 USD ($) employee | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($)
Employee severance obligation payments | $ 96,000 | $ 108,000 | $ 121,000
Severance expense | 945,000 | 990,000 | 885,000
Contributions | 800,000 | 857,000 | 747,000
Gain for the period | $ (3,000) | $ 100,000 | $ 28,000
Number of benefit eligible employees | employee | 1 |  |
Benefits Payable During Next Five Years | $ 150,000 |  |
Contribution to Insurance Companies [Member] |  |  |
Defined Benefit Plan, Expected Future Employer Contributions, Next Fiscal Year | 857,000 |  |
Contribution to Defined Contribution Plans [Member] |  |  |
Defined Benefit Plan, Expected Future Employer Contributions, Next Fiscal Year | $ 779,000 |  |

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