Summary of significant accounting policies (Details) - USD ($) |
12 Months Ended | ||
---|---|---|---|
Sep. 14, 2022 |
Jun. 30, 2022 |
Jun. 30, 2021 |
|
Summary of significant accounting policies (Details) [Line Items] | |||
Accumulated deficit | $ 147,400,000 | ||
Net loss | $ 77,200,000 | ||
Working capital | $ 5,600,000 | ||
Unlimited useful life | 5 years | ||
Impairment charges amount | $ 99,943 | ||
Percentage of tax realized upon ultimate settlement | 50.00% | ||
Minimum [Member] | |||
Summary of significant accounting policies (Details) [Line Items] | |||
Residual value, percentage | 0.00% | ||
Maximum [Member] | |||
Summary of significant accounting policies (Details) [Line Items] | |||
Residual value, percentage | 5.00% |