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LIABILITY FOR EMPLOYEE RIGHTS UPON RETIREMENT (Narrative) (Details) - USD ($) | 12 Months Ended
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Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Employee severance obligation payments | $ 164,000 | $ 168,000 | $ 195,000
Contributions | 675,000 | 675,000 | 779,000
Expected severance liabilities payments for fiscal year end 2016 | 869,000 |  |
Expected contribution to one or more Contribution Plans | 708,000 |  |
Severance expense | 842,000 | 800,000 | 1,000,000
Net gain (loss) for the period | (7,000) | $ (18,000) | $ 22,000
Benefits Payable During Next Five Years | $ 209,000 |  |

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- Definition Amount of discretionary contributions made by an employer to a defined contribution plan. + References No definition available. + Details
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