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v3.25.2

Debt - Additional Information (Details) - USD ($) |  |  |  | 3 Months Ended | 6 Months Ended |  |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
May 08, 2025 | Aug. 04, 2023 | Nov. 16, 2022 | Jun. 30, 2025 | Jun. 30, 2025 | Jun. 30, 2024 | May 12, 2025 | Feb. 28, 2025 | Sep. 30, 2024 | Mar. 31, 2024 | Dec. 15, 2023 | May 10, 2023 | Nov. 21, 2022
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from the issuance of common stock |  |  |  |  |  | $ 55,625,000 |  |  |  |  |  |  |
Increase in fair value of warrants | $ 200,000 |  |  | $ (98,000) | $ 280,000 |  |  |  |  |  |  |  |
Amount withdrawn |  |  |  | $ 50,016,000 | $ 50,016,000 |  |  |  |  |  |  |  |
First Amendment |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Warrant issued to purchase shares |  |  |  |  |  |  |  |  |  |  |  | 500,000 |
Warrant, exercise price |  |  |  |  |  |  |  |  |  |  |  | $ 1.6254 |
Initial warrants amount |  |  |  |  |  |  |  |  |  |  |  | $ 700,000 |
2018 Notes | Series G Preferred Stock |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Warrant issued to purchase shares |  |  |  |  |  |  |  |  |  | 613,333 |  |  |
Warrant, exercise price |  |  |  |  |  |  |  |  |  | $ 0.75 |  |  |
Perceptive Term Loan Facility |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument maturity date |  |  | Nov. 21, 2027 |  |  |  |  |  |  |  |  |  |
Interest rate |  |  | 3.00% |  |  |  |  |  |  |  |  |  |
Applicable margin rate |  |  | 9.00% |  |  |  |  |  |  |  |  |  |
Effective interest rate |  |  |  | 13.30% | 13.30% |  |  |  |  |  |  |  |
Warrant, exercise price |  |  | $ 1.0648 |  |  |  |  |  |  |  |  |  |
Increase in fair value of warrants | $ 200,000 |  |  |  |  |  |  |  |  |  |  |  |
Minimum cash balance at maturity date |  |  |  | $ 2,500,000 | $ 2,500,000 |  |  |  |  |  |  |  |
Initial warrants amount |  |  | $ 2,900,000 |  |  |  |  |  |  |  |  |  | $ 2,900,000
Additional warrants amount |  |  | 100,000 |  |  |  |  |  |  |  |  |  |
Debt instrument, discount |  |  | 5,200,000 |  |  |  |  |  |  |  |  |  |
Perceptive Term Loan Facility | Tranche A Loan |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Net proceeds from debt, after deducting debt issuance costs and expenses |  |  | $ 27,900,000 |  |  |  |  |  |  |  |  |  |
Warrant, exercise price |  |  |  |  |  |  |  |  |  |  |  |  | $ 1.0648
Perceptive Term Loan Facility | Tranche B Loan |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Warrant, exercise price |  |  | $ 1.0648 |  |  |  |  |  |  |  |  |  |
Additional warratns exercisable |  |  | 1,000,000 |  |  |  |  |  |  |  |  |  |
Amount withdrawn |  |  |  |  |  |  |  |  |  |  | $ 10,000,000 |  |
Perceptive Term Loan Facility | Tranche C Loan |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Warrant, exercise price | $ 0.4191 |  |  |  |  |  | $ 0.4191 |  |  |  |  |  |
Additional warratns exercisable |  |  | 1,000,000 |  |  |  |  |  |  |  |  |  |
Initial warrants amount |  |  |  |  |  |  | $ 300,000 |  |  |  |  |  |
Amount withdrawn | $ 10,000,000 |  |  |  |  |  |  |  | $ 0 |  |  |  |
Perceptive Term Loan Facility | Minimum |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Prepayment premium percentage of aggregate outstanding principal amount |  |  | 2.00% |  |  |  |  |  |  |  |  |  |
Perceptive Term Loan Facility | Maximum |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Prepayment premium percentage of aggregate outstanding principal amount |  |  | 10.00% |  |  |  |  |  |  |  |  |  |
Warrant issued to purchase shares |  |  | 5,000,000 |  |  |  |  |  |  |  |  |  | 5,000,000
Perceptive Term Loan Facility | Maximum | Tranche A Loan |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, aggregate principal amount |  |  |  |  |  |  |  |  |  |  |  |  | $ 30,000,000
Perceptive Term Loan Facility | Maximum | Tranche B Loan |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, aggregate principal amount |  |  | $ 10,000,000 |  |  |  |  |  |  |  |  |  |
Perceptive Term Loan Facility | Maximum | Tranche C Loan |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, aggregate principal amount |  |  | $ 10,000,000 |  |  |  |  |  |  |  |  |  |
Warrant issued to purchase shares | 5,500,000 |  |  |  |  |  |  |  |  |  |  |  |
Second Amendment | Tranche B Loan |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Gross proceeds from sale of common shares |  | $ 27,500,000 |  |  |  |  |  |  |  |  |  |  |
Amount withdrawn |  |  |  |  |  |  |  |  |  |  | $ 10,000,000 |  |
Fifth Amendment | Tranche C Loan |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Warrant, exercise price |  |  |  |  |  |  |  | $ 0.793 |  |  |  |  |
Availability of debt |  |  |  |  |  |  |  | $ 10,000,000 |  |  |  |  |

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