v3.23.3

Significant Transactions (Narrative) (Details) |  |  |  |  | 3 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | --- | --- | ---
Sep. 19, 2022 USD ($) shares | Sep. 16, 2022 USD ($) shares | Nov. 01, 2021 USD ($) lease $ / shares shares | Aug. 23, 2021 USD ($) shares | Sep. 30, 2023 USD ($) item | Dec. 31, 2022 USD ($) | Sep. 30, 2022 USD ($) | Jun. 30, 2022 USD ($) | Jun. 30, 2023 USD ($)
General and administrative expenses |  |  |  |  | $ 3,547,000 |  | $ 5,088,000 |  |
Value of common stock issued |  |  |  |  | 28,000 |  |  |  | $ 20,000
Accrued expenses - noncurrent |  |  |  |  | 263,000 |  |  |  | 527,000
Purchase price allocated |  |  |  | $ 7,500,000 |  |  |  |  |
Series A-2 Preferred Stock [Member] |  |  |  |  |  |  |  |  |
Purchase price allocated |  |  |  | $ 1,760,000 |  |  |  |  |
Secured Term Loan |  |  |  |  |  |  |  |  |
Secured term loan |  |  | $ 22,375,000 |  | 12,655,000 |  |  |  | 13,057,000
Interest rate (as percent) |  |  | 3.25% |  |  |  |  |  |
Cost incurred to attain debt |  |  |  |  | $ 30,000 |  |  |  | $ 120,000
RubrYc Therapeutics Inc [Member] |  |  |  |  |  |  |  |  |
Total purchase price |  | $ 1,000,000 |  |  |  |  |  |  |
Fair market value of property |  | 650,000,000 |  |  |  |  |  |  |
Amount advanced |  | 484,000,000 |  |  |  |  |  |  |
Transaction costs |  | 208,000,000 |  |  |  |  |  |  |
Finance leases |  | $ 814,000 | $ 814,000 |  |  |  |  |  |
Stock purchase agreement, number of shares purchased | shares |  | 102,354 |  |  |  |  |  |  |
Liability for the assumed acquisition |  | $ 5,000,000 |  |  |  |  |  |  |
Impairment of current prepaid expense |  |  |  |  |  |  |  | $ 288,000 |
Impairment of non-current prepaid expense |  |  |  |  |  |  |  | 864,000 |
Number of shares issued | shares | 102,354 |  |  |  |  |  |  |  |
Number of equipment leases | lease |  |  | 3 |  |  |  |  |  |
Purchase price allocated | $ 1,342,000 |  |  |  |  |  |  |  |
College Station Investors LLC And Bryan Capital [Member] |  |  |  |  |  |  |  |  |
Total purchase price |  |  | $ 28,750,000 |  |  |  |  |  |
Cash payment |  |  | 28,000,000 |  |  |  |  |  |
Fair market value of property |  |  | $ 151,450 |  |  |  |  |  |
Percentage of base rent |  |  | 6.50% |  |  |  |  |  |
Cash consideration for equity interest acquired |  |  | $ 50,000 |  |  |  |  |  |
Number of warrants issued | shares |  |  | 51,583 |  |  |  |  |  |
Warrants, exercise price per share | $ / shares |  |  | $ 33.25 |  |  |  |  |  |
Shares issued under the Warrant | shares |  |  | 11,583 |  |  |  |  |  |
Fair value of the warrant |  |  | $ 217,255 |  |  |  |  |  |
College Station Investors LLC And Bryan Capital [Member] | Secured Term Loan |  |  |  |  |  |  |  |  |
Secured term loan |  |  | $ 22,375,000 |  |  |  |  |  |
College Station Investors LLC And Bryan Capital [Member] | IBio CMO Preferred Tracking Stock |  |  |  |  |  |  |  |  |
Warrants issuable | shares |  |  | 1 |  |  |  |  |  |
Percentage of equity interest |  |  | 0.01% |  |  |  |  |  |
Separation Agreement and General Release [Member] |  |  |  |  |  |  |  |  |
General and administrative expenses |  |  |  |  |  | $ 2,130,000 |  |  |
Period of bi-monthly installments of current base salary |  |  |  |  | 24 months |  |  |  |
Period of bi-monthly installments of target bonus |  |  |  |  | 24 months |  |  |  |
Maximum period for coverage of health insurance |  |  |  |  | 18 months |  |  |  |
COBRA subsidy period |  |  |  |  | 18 months |  |  |  |
Number of times on which lump sum cash payment tis o be made | item |  |  |  |  | 6 |  |  |  |
Accrued expenses |  |  |  |  | $ 1,200,000 |  |  |  |
Accrued expenses - noncurrent |  |  |  |  | $ 263,000 |  |  |  |
Collaboration, Option and License Agreement [Member] | Immune-Oncology Antibodies (RTX-003) [Member] | RubrYc Therapeutics Inc [Member] |  |  |  |  |  |  |  |  |
Collaboration and license agreement, agreement term |  |  |  | 5 years |  |  |  |  |
Collaboration, Option and License Agreement [Member] | Immune-Oncology Antibodies (RTX-003) [Member] | No Biosimilar Product has been Approved [Member] | RubrYc Therapeutics Inc [Member] |  |  |  |  |  |  |  |  |
Collaboration and license agreement, royalty payment term |  |  |  | 10 years |  |  |  |  |
Series A-2 Preferred Stock [Member] |  |  |  |  |  |  |  |  |
Purchase price allocated |  |  |  |  |  |  |  | $ 1,760,000 |
Series A-2 Preferred Stock [Member] | Stock Purchase Agreement [Member] | Immune-Oncology Antibodies (RTX-003) [Member] | RubrYc Therapeutics Inc [Member] |  |  |  |  |  |  |  |  |
Stock purchase agreement, number of shares purchased | shares |  |  |  | 2,864,345 |  |  |  |  |
Stock purchase agreement, value of shares purchased |  |  |  | $ 7,500,000 |  |  |  |  |

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