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Intangible Assets, Net (Tables) | 12 Months Ended
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Jun. 30, 2021
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Intangible Assets, Net | Intangible assets, net consist of (in thousands):
| June 30,
| 2021 |  | 2020
Patent costs | $ | 2,330 |  |  | $ | 2,330 |
Accumulated amortization | (1,856) |  |  | (1,724) |
Total definite-lived intangible assets, net | 474 |  |  | 606 |
Trademarks and other indefinite-lived intangible assets | 245 |  |  | 245 |
Total intangible assets, net | $ | 719 |  |  | $ | 851 |

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