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EQUITY - Private Placements (Details) - USD ($) $ / shares in Units, $ in Thousands |  |  |  |  |  | 12 Months Ended
--- | --- | --- | --- | --- | --- | ---
Mar. 04, 2021 | Feb. 24, 2021 | Jun. 30, 2020 | Jun. 29, 2020 | Oct. 09, 2019 | Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2019
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |
Issuance costs |  |  |  |  |  | $ 2,618 | $ 0 | $ 0
Issuance of common stock |  |  |  | $ 4,500 |  |  | $ 4,500 |
Common stock, shares issued (in shares) |  |  | 635,593 |  |  |  |  |
Allocation to equity |  |  |  |  | $ 17,900 |  |  |
Issuance fees |  |  |  |  | $ 1,100 |  |  |
Private Placement |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |
Shares sold (in shares) |  | 5,730,000 |  |  | 3,800,000 |  |  |
Aggregate gross proceeds | $ 55,000 |  |  |  |  |  |  |
Sale of stock (in USD per share) | $ 9.60 |  |  |  | $ 5.25 |  |  |
Issuance costs | $ 2,600 |  |  |  |  |  |  |
Gross proceeds from offering |  |  |  |  | $ 20,000 |  |  |
Private Placement | Hudson Executive Capital LP |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |
Shares sold (in shares) | 975,000 |  |  |  |  |  |  |

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