Stockholders' Equity - Schedule of Warrants (Detail) |
6 Months Ended |
|---|---|
|
Dec. 31, 2022
$ / shares
shares
| |
| Stock option exercise price | $ 64.54 |
| Common Stock Warrants [Member] | |
| Balance - June 30, 2022 | shares | 720,000 |
| Balance - Decemberr 31, 2022 | shares | 714,000 |
| Beginning balance | $ 49.36 |
| Ending balance | $ 44.20 |
| Common Stock Warrants [Member] | 2018 Investor and Agent Warrants [Member] | |
| Expiry of warrants | shares | (6,000) |
| Expired | $ 625.00 |
| X | ||||||||||
- Definition Number of shares under non-option equity instrument agreements for which rights to exercise lapsed. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Number of equity instruments other than options outstanding, including both vested and non-vested instruments. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Weighted average price at which option holders acquired shares when converting their stock options into shares. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|