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Going Concern (Details) - USD ($) $ in Thousands | 12 Months Ended
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Jun. 30, 2018 | Jun. 30, 2017
Organization Consolidation And Presentation Of Financial Statements [Abstract] |  |
Working capital | $ 3,300 |
Net loss | 13,251 | $ 11,582
Net cash used in operating activities | $ (10,784) | $ (8,821)

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