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COMMITMENTS (Narrative) (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Commitments And Contingencies [Line Items] |  |  |
Subcontracting commitment amount | $ 19,200,000 |  |
Milestone Potential Payable | 14,300,000 |  |
Milestone Payment, Amount Paid | 0 | $ 300,000 | $ 0
OCS [Member] |  |  |
Commitments And Contingencies [Line Items] |  |  |
Royalty expense included in cost of revenue | 1,384,000 | 288,000 | 2,200,000
Research And License Agreements [Member] |  |  |
Commitments And Contingencies [Line Items] |  |  |
Royalty expense included in cost of revenue | 0 | 286,000 | 51,000
Lease Agreements [Member] |  |  |
Commitments And Contingencies [Line Items] |  |  |
Monthly rent/lease expense | 65,000 |  |
Future minimum lease payments, 2018 | 783,000 |  |
Future minimum lease payments, 2019 | 717,000 |  |
Future minimum lease payments, 2020 | 717,000 |  |
Cash deposited as bank guarantee | 306,000 |  |
Lease/rent expense | 775,000 | 1,000,000 | $ 1,000,000
Future minimum lease payments, 2021 | 580,000 |  |
Vehicle Lease And Maintenance Agreements [Member] |  |  |
Commitments And Contingencies [Line Items] |  |  |
Monthly rent/lease expense | 52,000 |  |
Future minimum lease payments, 2018 | 565,000 |  |
Future minimum lease payments, 2019 | 385,000 |  |
Future minimum lease payments, 2020 | $ 186,000 |  |
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 | $ 42,200,000 | $ 38,500,000 |
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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