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ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Narrative) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Accounting Policies [Abstract] |  |  |
Accumulated deficit | $ (528,345) | $ (354,863) |
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount | 6,528,932 | 4,835,706 | 8,033,779
Restricted Cash and Investments | $ 600 | $ 600 |
Prepaid Manufacturing | $ 9,700 | $ 8,100 |

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