Schedule of Assumptions Used to Calculate Fair Value of Warrant Liability (Detail) |
Jun. 30, 2022
yr
USD ($)
|
Jun. 30, 2021
USD ($)
yr
|
|---|---|---|
| Risk Free Interest Rate | ||
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | ||
| Warrants and Rights Outstanding, Measurement Input | 2.8 | 0.2 |
| Expected life years | ||
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | ||
| Warrants and Rights Outstanding, Measurement Input | yr | 0.9 | 1.9 |
| Expected volatility | ||
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | ||
| Warrants and Rights Outstanding, Measurement Input | 139.4 | 88.5 |
| Dividend Yield | ||
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | ||
| Warrants and Rights Outstanding, Measurement Input | 0.0 | 0.0 |
| Black-Scholes Fair Value | ||
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | ||
| Warrants and Rights Outstanding, Measurement Input | $ | 0.10 | 1.39 |