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OPERATING LEASES (Details) - USD ($) |  | 1 Months Ended |
--- | --- | --- | ---
Sep. 10, 2019 | Apr. 30, 2019 | Sep. 30, 2019
Menlo Park Office Space Lease |  |  |
Operating Leased Assets [Line Items] |  |  |
Operating lease term, additional period extension | 2 months |  |
Operating lease, weighted average remaining lease term |  |  | 5 months
Operating lease, weighted average discount rate |  |  | 5.00%
Operating lease initial term, aggregate minimum future lease payments |  |  | $ 354,000
New Jersey Office Space Lease |  |  |
Operating Leased Assets [Line Items] |  |  |
Operating lease, initial term |  | 11 years |
Operating lease term, option to extend additional period |  | 5 years |
Operating lease initial term, aggregate minimum future lease payments |  | $ 3,696,000 |
Operating lease, rent abatement period |  | 7 months |

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