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SUBSEQUENT EVENTS (Details) - Subsequent Event - Underwriting $ / shares in Units, $ in Millions | Jul. 25, 2017 USD ($) $ / shares shares
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Subsequent Event [Line Items] |
Underwritten public offering | 9,583,332
Public offering price | $ / shares | $ 4.50
Option to purchase additional shares | 1,249,999
Gross proceeds | $ | $ 43.1

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