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OPERATING LEASE - Narrative (Details) $ in Thousands | Mar. 13, 2019 USD ($) ft² | Jun. 30, 2021 USD ($) | Dec. 31, 2020 USD ($)
--- | --- | --- | ---
Operating Lease |  |  |
Operating lease right-of-use assets |  | $ 1,225 | $ 1,583
Operating lease terms |  | 3 years |
Lien on marketable securities to secure lease agreements |  | $ 600 |
ISRAEL |  |  |
Operating Lease |  |  |
Operating lease terms |  | 1 year |
Original Space | Bridgewater, New Jersey |  |  |
Operating Lease |  |  |
Facility space leased | ft² | 10,000 |  |
Operating lease right-of-use assets | $ 700 |  |
Additional Space | Bridgewater, New Jersey |  |  |
Operating Lease |  |  |
Facility space leased | ft² | 4,639 |  |
Operating lease right-of-use assets | $ 300 |  |

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- Definition Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918673-209980 + Details
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- Definition Amount of lessee's right to use underlying asset under operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123391704&loc=SL77918627-209977 + Details
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- Definition Amount of lien on marketable securities in respect of bank guarantees granted in order to secure lease agreements. + References No definition available. + Details
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