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Cryptocurrencies (Tables) | 12 Months Ended
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Jun. 30, 2025
Cryptocurrencies |
Summary of cryptocurrency mining activities | ​
​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Quantities (in coins) | ​ | Cryptocurrencies
​ |  | BTC |  | Amounts
Balance on July 1, 2022 |  | 7.17 | ​ | $ | 141,888
Revenue recognized from cryptocurrencies mined |  | 272.38 | ​ |  | 6,261,091
Hosting fees settled in cryptocurrencies |  | (22.14) | ​ |  | (428,839)
Proceeds from sale of cryptocurrencies | ​ | (175.09) | ​ | ​ | (4,384,562)
Realized gain on sale/exchange of cryptocurrencies | ​ | — | ​ | ​ | 676,015
Impairment loss of cryptocurrencies | ​ | — | ​ | ​ | (181,263)
Balance on June 30, 2023 | ​ | 82.32 | ​ | $ | 2,084,330
Revenue recognized from cryptocurrencies mined | ​ | 95.62 | ​ | ​ | 2,888,482
Hosting fees settled in cryptocurrencies | ​ | (7.60) | ​ | ​ | (212,344)
Proceeds from sale of cryptocurrencies |  | (165.87) | ​ |  | (4,668,828)
Realized gain on sale/exchange of cryptocurrencies |  | — | ​ |  | 94,149
Impairment loss of cryptocurrencies |  | — | ​ |  | (7,102)
Balance on June 30, 2024 |  | 4.47 | ​ | $ | 178,687
Revenue recognized from cryptocurrencies mined | ​ | — | ​ | ​ | —
Service fees settled in cryptocurrencies | ​ | (4.47) | ​ | ​ | (426,250)
Proceeds from sale of cryptocurrencies | ​ | — | ​ | ​ | —
Realized gain on sale/exchange of cryptocurrencies | ​ | — | ​ | ​ | 247,563
Impairment loss of cryptocurrencies | ​ | — | ​ | ​ | —
Balance on June 30, 2025 |  | — | ​ | $ | —
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