v3.24.3

Share-Based Compensation (Tables) | 12 Months Ended
--- | ---
Jun. 30, 2024
Share-Based Compensation |
Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Years Ended June 30,
​ |  | 2024 |  | 2023
Research and development | ​ | $ | 234 | ​ | $ | 149
General and administrative | ​ |  | 1,741 | ​ |  | 2,714
Total | ​ | $ | 1,975 | ​ | $ | 2,863
Schedule of Stock Option Activity | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | ​ |  | ​ |  | Weighted- |  | ​ | ​
​ | ​ | ​ | ​ | Weighted- | ​ | average | ​ | ​ | ​
​ | ​ | ​ | ​ | average | ​ | Remaining | ​ | Aggregate
​ | ​ | Stock | ​ | Exercise | ​ | Contractual | ​ | Intrinsic Value
​ |  | Options |  | Price |  | Term (in years) |  | (in thousands)
Outstanding as of July 1, 2022 |  | 30,708 | ​ | $ | 603.43 |  | 8.3 | ​ | $ | —
Granted |  | 15,375 | ​ | ​ | 141.17 |  | — | ​ |  | —
Exercised | ​ | — | ​ | ​ | — | ​ | — | ​ | ​ | —
Forfeited/expired |  | (31,465) | ​ | ​ | 479.67 |  | — | ​ |  | —
Outstanding as of June 30, 2023 |  | 14,618 | ​ | $ | 383.62 |  | 8.5 | ​ | $ | —
As of June 30, 2023, vested and expected to vest |  | 14,616 | ​ | $ | 383.64 |  | 8.5 | ​ | $ | —
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Exercisable as of June 30, 2023 |  | 4,790 | ​ | $ | 583.09 |  | 7.9 | ​ | $ | —
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Outstanding as of June 30, 2023 |  | 14,618 | ​ | $ | 383.62 |  | 8.5 | ​ | $ | —
Granted |  | 908,250 | ​ | ​ | 1.93 |  | — | ​ |  | —
Exercised | ​ | — | ​ | ​ | — | ​ | — | ​ | ​ | —
Forfeited/expired |  | (10,742) | ​ | ​ | 164.15 |  | — | ​ |  | —
Outstanding as of June 30, 2024 |  | 912,126 | ​ | $ | 6.14 |  | 7.6 | ​ | $ | 280
As of June 30, 2024, vested and expected to vest |  | 912,126 | ​ | $ | 6.14 | ​ | 7.6 | ​ | $ | 280
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Exercisable as of June 30, 2024 |  | 6,472 | ​ | $ | 459.08 |  | 7.2 | ​ | $ | —
Schedule of Stock Options Outstanding and Exercisable | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Options Outstanding and Exercisable
​ | ​ | ​ | ​ | Weighted- | ​ | Weighted- | ​ | ​
​ | ​ | ​ | ​ | Average | ​ | Average | ​ | ​
​ | ​ | Number | ​ | Remaining Life | ​ | Exercise | ​ | Number
​ | ​ | Outstanding |  | In Years |  | Price |  | Exercisable
Exercise prices: |  |  |  |  |  | ​ |  |  |
$1.72 - $7.00 |  | 902,300 |  | 7.6 | ​ | $ | — |  | —
$140.00 - $210.00 |  | 4,681 |  | 8.0 | ​ | $ | 147.83 |  | 2,164
$347.00 - $520.50 | ​ | 1,191 | ​ | 7.2 | ​ | $ | 355.66 | ​ | 1,190
$530.00 - $795.00 | ​ | 3,554 | ​ | 6.8 | ​ | $ | 668.89 | ​ | 2,718
$1,025.00 - $1,537.50 | ​ | 400 | ​ | 6.3 | ​ | $ | 1,025.00 | ​ | 400
​ |  | 912,126 |  | 7.6 | ​ | $ | 459.08 |  | 6,472
Schedule of Fair Value of Options Granted using the Black-Scholes Option Pricing Model | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | 2024 | ​ | 2023
Weighted-average risk-free interest rate | ​ | 4.44% - 4.83 | % | ​ | 3.21% - 3.61 | %
Dividend yield |  | 0 | % | ​ | 0 | %
Volatility |  | 157.77 - 266.94 | % | ​ | 115.52 - 116.93 | %
Expected term (in years) |  | 5 |  | ​ | 7 | ​

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