Right-of-use assets and operating lease liabilities (Details) - USD ($) |
6 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Right-of-Use Assets and Operating Lease Liabilities [Abstract] | |||
| General Administrative Expenses | $ 36,749 | $ 35,214 | $ 15,304 |