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SUBSEQUENT EVENTS (Details) - New Vice President Research And Development [Member] - Subsequent Event [Member] - Non-employees
Jul. 05, 2020
USD ($)
item
$ / shares
shares
Subsequent Event [Line Items]  
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period 10 years
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | shares 129,771
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price | $ / shares $ 3.73
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 4 years
Number of equal quarterly increments | item 16
Share Based Compensation Arrangement By Share Based Payment Award Grant Date Fair Value | $ $ 329,000
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate 0.00%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate 80.60%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate 0.395%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term 6 years