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COMMITMENTS (Narrative) (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Commitments And Contingencies [Line Items] |  |  |
Subcontracting commitment amount | $ 18,800,000 |  |
Milestone Potential Payable | 14,300,000 |  |
Milestone Payment, Amount Paid | 0 | $ 0 | $ 300,000
OCS [Member] |  |  |
Commitments And Contingencies [Line Items] |  |  |
Royalty expense included in cost of revenue | 1,619,000 | 1,384,000 | 288,000
Research And License Agreements [Member] |  |  |
Commitments And Contingencies [Line Items] |  |  |
Royalty expense included in cost of revenue | 0 | 0 | 286,000
Lease Agreements [Member] |  |  |
Commitments And Contingencies [Line Items] |  |  |
Monthly rent/lease expense | 63,000 |  |
Future minimum lease payments, 2019 | 758,000 |  |
Future minimum lease payments, 2020 | 758,000 |  |
Future minimum lease payments, 2021 | 621,000 |  |
Cash deposited as bank guarantee | 402,000 |  |
Lease/rent expense | 783,000 | 775,000 | $ 1,000,000
Vehicle Lease And Maintenance Agreements [Member] |  |  |
Commitments And Contingencies [Line Items] |  |  |
Monthly rent/lease expense | 43,000 |  |
Future minimum lease payments, 2019 | 474,000 |  |
Future minimum lease payments, 2020 | 333,000 |  |
Future minimum lease payments, 2021 | $ 82,000 |  |
Minimum [Member] | OCS [Member] |  |  |
Commitments And Contingencies [Line Items] |  |  |
Royalties based on sale of products developed from funded projects, percentage | 3.00% |  |
Maximum [Member] | OCS [Member] |  |  |
Commitments And Contingencies [Line Items] |  |  |
Royalties based on sale of products developed from funded projects, percentage | 6.00% |  |
Accrued royalties | $ 41,900,000 | $ 42,200,000 |
Percentage of Royalties to Grant Received | 100.00% | 100.00% | 100.00%
Maximum [Member] | Products Manufactured Outside Of Israel [Member] |  |  |
Commitments And Contingencies [Line Items] |  |  |
Percentage of Royalties to Grant Received | 300.00% | 300.00% | 300.00%

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