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Description of the Business and Financial Condition (Details) - USD ($) |  | 1 Months Ended | 6 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Mar. 31, 2025 | Jun. 30, 2025 | Jan. 31, 2025 | Aug. 31, 2024 | Jul. 31, 2024 | Mar. 31, 2024 | Dec. 31, 2025 | Dec. 31, 2025 | Dec. 31, 2024 | Sep. 30, 2025 | Jun. 30, 2024 | May 31, 2022
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Accumulated deficit |  |  |  |  |  |  | $ 233,672,000 | $ 233,672,000 | $ 194,101,000 |  |  |
Exercise price (in dollars per share) |  |  |  |  |  |  | $ 4.68 | $ 4.68 | $ 3.85 |  |  |
Proceeds from issuance of common stock from at-the-market offerings, net of issuance costs. |  |  |  |  |  |  |  | $ 16,244,000 | $ 4,555,000 |  |  |
Proceeds from issuance of common stock and common warrants from January 2025 Offering |  |  |  | $ 19,700,000 |  |  |  | 9,143,000 | 0 |  |  |
Cash and cash equivalents |  |  |  |  |  |  | $ 18,563,000 | $ 18,563,000 | $ 17,618,000 |  |  |
Convertible Debt |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from issuance of common stock and common warrants from January 2025 Offering |  |  |  | $ 19,700,000 |  |  |  |  |  |  |  |
Senior Secured Convertible Promissory Note |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Number of shares of common stock to purchase (up to) (in shares) |  | 103,225 |  |  |  |  |  |  |  | 103,225 |  |
Exercise price (in dollars per share) |  | $ 7.75 |  |  |  |  |  |  |  |  |  |
Warrants, contractual term (in years) |  | 5 years |  |  |  |  |  |  |  |  |  |
Stated interest rate (as a percent) |  |  |  |  |  |  | 12.50% | 12.50% |  |  |  |
Debt instrument, face amount |  | $ 10,000,000.0 |  |  |  |  |  |  |  |  |  |
Proceeds from issuance of long-term debt |  | $ 9,900,000 |  |  |  |  |  |  |  |  |  |
Senior Secured Convertible Promissory Note | Convertible Debt |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Stated interest rate (as a percent) |  |  |  | 3.00% |  |  |  |  |  |  |  |
Debt instrument, face amount |  |  |  | $ 20,000,000.0 |  |  |  |  |  |  |  |
January Common Warrants |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Number of shares of common stock to purchase (up to) (in shares) |  |  | 1,261,830 |  |  |  |  |  |  |  |  |
Issuance of common stock, net of issuance costs (in shares) |  |  |  |  |  |  | 1,261,830 |  |  |  |  |
Warrants, contractual term (in years) |  |  | 5 years |  |  |  |  |  |  |  |  |
Common Stock | Pre-Funded Warrant |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Number of shares of common stock to purchase (up to) (in shares) | 3,500,573 |  |  |  |  |  |  |  |  |  |  |
Share price (in dollars per share) |  |  | $ 7.925 |  |  |  |  |  |  |  |  |
Exercise price (in dollars per share) |  |  | 7.80 |  |  |  |  |  |  |  |  |
Accrued interest | $ 300,000 |  |  |  |  |  |  |  |  |  |  |
Common Stock | January Common Warrants |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Share price (in dollars per share) |  |  | 7.925 |  |  |  |  |  |  |  |  |
Exercise price (in dollars per share) |  |  | $ 7.80 |  |  |  |  |  |  |  |  |
Proceeds from issuance of common stock from at-the-market offerings, net of issuance costs. |  |  | $ 9,200,000 |  |  |  |  |  |  |  |  |
Registration Statement |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Sale of stock, aggregate offering price |  |  |  |  |  |  |  |  |  |  |  | $ 100,000,000
At-The-Market Equity Offering Sales Agreement |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Sale of stock, aggregate offering price |  |  |  |  |  |  |  |  |  |  |  | $ 21,000,000
At-The-Market Equity Offering Sales Agreement 2022 |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Sale of stock, aggregate offering price |  |  |  |  |  |  |  |  |  |  | $ 40,000,000 |
At-The-Market Equity Offering Sales Agreement 2022 | Common Stock |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Shares sold in offering (in shares) |  |  |  |  |  |  |  |  | 650,179 |  |  |
Net proceeds |  |  |  |  |  |  |  |  | $ 5,400,000 |  |  |
2024 Registration Statement |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Sale of stock, aggregate offering price |  |  |  |  |  |  |  |  |  |  | $ 200,000,000 |
At-The-Market Equity Offering Sales Agreement 2024 | Common Stock |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Shares sold in offering (in shares) |  |  |  |  |  |  |  | 1,717,507 | 53,795 |  |  |
Net proceeds |  |  |  |  |  |  |  | $ 16,200,000 | $ 300,000 |  |  |
Private Placement | Pre-Funded Warrant | March 2024 Pre-Funded Warrants |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net proceeds |  |  |  |  |  | $ 6,000,000.0 |  |  |  |  |  |
Number of shares of common stock to purchase (up to) (in shares) |  |  |  |  |  | 1,032,702 |  |  |  |  |  |
Share price (in dollars per share) |  |  |  |  |  | $ 5.81 |  |  |  |  |  |
Exercise price (in dollars per share) |  |  |  |  |  | 0.01 |  |  |  |  |  |
March Subscription Agreement | Pre-Funded Warrant |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Exercise price (in dollars per share) |  |  |  |  |  | $ 0.01 |  |  |  |  |  |
July Public Offering |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net proceeds |  |  |  |  | $ 10,900,000 |  |  |  |  |  |  |
Issuance of common stock, net of issuance costs (in shares) |  |  |  |  | 500,000 |  |  |  |  |  |  |
July Public Offering | July Share And July Common Warrant |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Price per share of shares issued (in dollars per share) |  |  |  |  | $ 5.00 |  |  |  |  |  |  |
July Public Offering | Pre-Funded Warrant |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Exercise price (in dollars per share) |  |  |  |  | $ 0.01 |  |  |  |  |  |  |
July Public Offering | July Pre-Funded Warrants |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Number of shares of common stock to purchase (up to) (in shares) |  |  |  |  | 1,800,000 |  |  |  |  |  |  |
Exercise price (in dollars per share) |  |  |  |  | $ 0.01 |  |  |  |  |  |  |
July Public Offering | July Common Warrants |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Number of shares of common stock to purchase (up to) (in shares) |  |  |  |  | 2,300,000 |  |  |  |  |  |  |
Exercise price (in dollars per share) |  |  |  |  | $ 5.00 |  |  |  |  |  |  |
Warrants, contractual term (in years) |  |  |  |  | 5 years |  |  |  |  |  |  |
July Public Offering | July Pre-Funded Warrants and July Common Warrants |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Price per share of shares issued (in dollars per share) |  |  |  |  | $ 4.99 |  |  |  |  |  |  |
July Public Offering | July Public Offering |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Warrants, contractual term (in years) |  |  |  |  | 5 years |  |  |  |  |  |  |
July Public Offering | Pre-Funded Warrant |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Exercise price (in dollars per share) |  |  |  |  | $ 0.01 |  |  |  |  |  |  |
Warrants, contractual term (in years) |  |  | 5 years |  |  |  |  |  |  |  |  |
July Public Offering | July Pre-Funded Warrants |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Exercise price (in dollars per share) |  |  |  |  | 0.01 |  |  |  |  |  |  |
July Public Offering | July Common Warrants |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Exercise price (in dollars per share) |  |  |  |  | $ 5.00 |  |  |  |  |  |  |
Warrants, contractual term (in years) |  |  |  |  | 5 years |  |  |  |  |  |  |
July Public Offering | July Pre-Funded Warrants and July Common Warrants |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Price per share of shares issued (in dollars per share) |  |  |  |  | $ 4.99 |  |  |  |  |  |  |
July Public Offering | Common Stock |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Issuance of common stock, net of issuance costs (in shares) |  |  |  |  |  |  |  |  | 510,000 |  |  |
January Public Offering | January Common Warrants |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Warrants, contractual term (in years) |  |  | 5 years |  |  |  |  |  |  |  |  |

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