Stockholders' Equity - Issuances of Common Stock (Details)

v3.25.3

Stockholders' Equity - Issuances of Common Stock (Details) - USD ($)													3 Months Ended			12 Months Ended
	Aug. 19, 2025	Apr. 29, 2025	Jan. 29, 2025	Jan. 28, 2025	Jan. 10, 2025	Apr. 01, 2024	Mar. 26, 2024	Mar. 25, 2024	Dec. 07, 2023	Dec. 09, 2022	Dec. 06, 2022	Nov. 01, 2021	Sep. 30, 2025	Mar. 31, 2025	Sep. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2023	Jul. 03, 2024	Aug. 04, 2023	Aug. 03, 2023
Class of Stock [Line Items]
Common stock, par value													$ 0.001			$ 0.001
Preferred stock, shares issued													0			0
Warrant exercise, common stock ownership limitation		4.99%
Subscription receivable																$ 105,000
Restricted Stock Units
Class of Stock [Line Items]
Shares vested															11
Series 2022 Preferred Stock
Class of Stock [Line Items]
Preferred stock, shares issued													0			0
Wainwright Underwriting | At-The-Market Offerings
Class of Stock [Line Items]
Warrants, proceeds from issuance										$ 2,864,000
Wainwright Underwriting | At-The-Market Offerings | Common Stock
Class of Stock [Line Items]
Common stock, shares issued											76,538
Wainwright Underwriting | At-The-Market Offerings | Common Stock | Pre-Funded Warrants
Class of Stock [Line Items]
Warrants, shares issued											91,730
Wainwright Underwriting | At-The-Market Offerings | Common Stock | Series A warrants
Class of Stock [Line Items]
Warrants, shares issued											168,269
Wainwright Underwriting | At-The-Market Offerings | Common Stock | Series B warrants
Class of Stock [Line Items]
Warrants, shares issued											168,269
Wainwright Underwriting | H.C. Wainwright & Co.
Class of Stock [Line Items]
Agent fee percentage										7.00%
Wainwright Underwriting | H.C. Wainwright & Co. | Underwriters Option | Common Stock
Class of Stock [Line Items]
Underwriters purchase option period										30 days
Wainwright Underwriting | H.C. Wainwright & Co. | Underwriters Option | Common Stock | Maximum
Class of Stock [Line Items]
Warrants, shares issued										50,480
Wainwright Underwriting | H.C. Wainwright & Co. | Underwriters Option | Common Stock | Minimum
Class of Stock [Line Items]
Warrants, shares issued										25,240
Wainwright Underwriting | H.C. Wainwright & Co. | Underwriters Option | Common Stock | Representative Warrants
Class of Stock [Line Items]
Warrants, shares issued										10,094
Additional shares for purchase, percentage of aggregate shares in offerings										6.00%
Wainwright Underwriting | H.C. Wainwright & Co. | Underwriters Option | Common Stock | Series A warrants
Class of Stock [Line Items]
Warrants, shares issued										25,240
Wainwright Underwriting | H.C. Wainwright & Co. | Underwriters Option | Common Stock | Series B warrants
Class of Stock [Line Items]
Warrants, shares issued										25,240
Securities Purchase Agreement | Private placement
Class of Stock [Line Items]
Net proceeds from sale of equity									$ 4,000,000
Accrued stock issuance costs													$ 308,000
Securities Purchase Agreement | Alliance Global Partners | Private placement
Class of Stock [Line Items]
Reimbursement for legal expenses									75,000
Non-accountable expense allowance									$ 15,000
Agent fee percentage									5.50%
Combined price per share of common stock and warrants									$ 2
Securities Purchase Agreement | Alliance Global Partners | Private placement | Common Stock
Class of Stock [Line Items]
Common stock, shares issued									600,000
Securities Purchase Agreement | Alliance Global Partners | Private placement | Common Stock | Pre-Funded Warrants
Class of Stock [Line Items]
Warrants, shares issued									1,650,000
Warrants, shares of common stock issuable upon conversion									1,650,000
Securities Purchase Agreement | Alliance Global Partners | Private placement | Common Stock | Series C Warrants
Class of Stock [Line Items]
Warrants, shares issued									2,250,000
Warrants, shares of common stock issuable upon conversion									2,250,000
Securities Purchase Agreement | Alliance Global Partners | Private placement | Common Stock | Series D Warrants
Class of Stock [Line Items]
Warrants, shares issued									2,250,000
Warrants, shares of common stock issuable upon conversion									2,250,000
Securities Purchase Agreement and Warrants | Private placement
Class of Stock [Line Items]
Gross proceeds from sale of equity							$ 15,100,000
Reimbursement for legal expenses							$ 50,000
Agent fee percentage							6.00%
Reduced placement agent fee percentage							4.00%
Securities Purchase Agreement and Warrants | Private placement | Common Stock
Class of Stock [Line Items]
Common stock, shares issued							2,701,315
Net proceeds from sale of equity						$ 14,100,000
Securities Purchase Agreement and Warrants | Private placement | Common Stock | Pre-Funded Warrants
Class of Stock [Line Items]
Warrants, shares issued							2,585,963
Warrants, exercise price							$ 0.0001
Securities Purchase Agreement and Warrants | Private placement | Common Stock | Series E Warrants
Class of Stock [Line Items]
Warrants, shares issued							5,287,278
Warrants, exercise price							$ 2.64
Warrants, exercisable term							5 years
Securities Purchase Agreement and Warrants | Private placement | Common Stock | Common Shares and Series E Warrants
Class of Stock [Line Items]
Combined price per share of common stock and warrants							$ 2.85
Securities Purchase Agreement and Warrants | Private placement | Common Stock | Pre-funded and Series E Warrants
Class of Stock [Line Items]
Combined price per share of common stock and warrants							$ 2.849
Term of 2024 Securities Purchase Agreement							1 year
Purchase agreement exclusivity period							60 days
Securities Purchase Agreement and Warrants | Private placement | Common Stock | Pre-funded and Series E Warrants | Maximum
Class of Stock [Line Items]
Warrant exercise, common stock ownership limitation							4.99%
Warrant exercise, common stock ownership limitation (at the election of the holder)							9.99%	9.99%
Number of days to file a registration statement							75 days
Number of days to file a registration statement (in the event of a "full review" by SEC)							90 days
Suspension period							15 days
Securities Purchase Agreement and Warrants | Private placement | Common Stock | Pre-funded and Series E Warrants | Minimum
Class of Stock [Line Items]
Warrant holder's election, period of written notice							61 days
Number of days to file a registration statement							60 days
At Market Issuance Sales Agreement | Placement Agents | At-The-Market Offerings | Common Stock
Class of Stock [Line Items]
Aggregate offering price																			$ 7,350,000
Common stock, shares issued													305,424			3,184,899
Net proceeds from sale of equity													$ 219,000			$ 2,617,000
2025 Purchase Agreement | Investors | Private placement | Common Stock
Class of Stock [Line Items]
Common stock, shares issued					240,807
Share price on new issues					$ 2.72
Aggregate gross proceeds					$ 655,000
AstralBio Exclusive License Agreement
Class of Stock [Line Items]
Common stock, shares issued			246,087	246,087
Payment of upfront licensing fee			$ 750,000	$ 750,000
Warrants | H.C. Wainwright & Co. | Common Stock | Pre-Funded Warrants
Class of Stock [Line Items]
Warrants, exercise price																					$ 0.001
Warrants | H.C. Wainwright & Co. | Common Stock | Representative Warrants
Class of Stock [Line Items]
Warrants, exercise price																					$ 26
Warrants, exercisable term																					5 years
Warrants | H.C. Wainwright & Co. | Common Stock | Warrants
Class of Stock [Line Items]
Proceeds from exercise of warrants																		$ 2,207,000
Warrants, exercise price																				$ 10	$ 20.8
Warrants | H.C. Wainwright & Co. | Common Stock | Series A warrants
Class of Stock [Line Items]
Warrants, shares of common stock issuable upon conversion																				173,795
Warrants, exercise price																					$ 20.8
Warrants, exercisable term																					5 years
Warrants | H.C. Wainwright & Co. | Common Stock | Series B warrants
Class of Stock [Line Items]
Warrants, shares of common stock issuable upon conversion																				102,900
Warrants, exercise price																					$ 20.8
Warrants, exercisable term																					2 years
Warrants | Bryan Capital | Common Stock | Warrants
Class of Stock [Line Items]
Warrants, shares issued												2,579
Warrants, exercise price												$ 665
Warrants | Alliance Global Partners | Private placement | Common Stock | Pre-Funded Warrants
Class of Stock [Line Items]
Warrants, exercise price									$ 0.0001
Warrants | Alliance Global Partners | Private placement | Common Stock | Warrants
Class of Stock [Line Items]
Proceeds from exercise of warrants														$ 370,000	$ 4,000		$ 4,464,000
Warrants, exercise price									$ 1.9999
Warrants | Alliance Global Partners | Private placement | Common Stock | Series C Warrants
Class of Stock [Line Items]
Warrants, shares issued									2,250,000
Warrants, exercise price									$ 2
Warrants, exercisable term									2 years
Warrants | Alliance Global Partners | Private placement | Common Stock | Series D Warrants
Class of Stock [Line Items]
Warrants, shares issued									2,250,000
Warrants, exercise price									$ 2.00
Warrants, exercisable term									5 years
Warrant Inducement Agreement | Pre-Funded Warrants
Class of Stock [Line Items]
Warrants, shares issued		5,626,685
Warrants, exercise price		$ 0.86
Warrant Inducement Agreement | Inducement Warrants
Class of Stock [Line Items]
Warrants, shares issued		11,253,370
Proceeds from exercise of warrants		$ 6,200,000
Warrants, exercise price		$ 0.86
Warrants, exercisable term		5 years
Inducement warrants conversion percentage to common shares		200.00%
Proceeds per share (inducement warrants)		$ 0.125
Warrant exercise, common stock ownership limitation (at the election of the holder)		9.99%
Number of days to file a registration statement		45 days
Warrant Inducement Agreement | H.C. Wainwright & Co.
Class of Stock [Line Items]
Warrants, exercise price		$ 0.86
Warrant Inducement Agreement | H.C. Wainwright & Co. | Series A warrants
Class of Stock [Line Items]
Warrants, shares issued		144,230
Warrants, exercise price		$ 10
Warrant Inducement Agreement | Alliance Global Partners
Class of Stock [Line Items]
Warrants, exercise price		$ 0.86
Warrant Inducement Agreement | Alliance Global Partners | Series C Warrants
Class of Stock [Line Items]
Warrants, shares issued		1,000,000
Warrants, exercise price		$ 2
Warrant Inducement Agreement | Alliance Global Partners | Series D Warrants
Class of Stock [Line Items]
Warrants, shares issued		1,000,000
Warrants, exercise price		$ 2
2025 Underwriting Agreement | Leerink Partners | At-The-Market Offerings
Class of Stock [Line Items]
Gross proceeds from sale of equity	$ 50,000,000
Offering costs	3,600,000
Net proceeds from sale of equity	46,400,000
Aggregate proceeds available from sale of equity	$ 50,000,000
2025 Underwriting Agreement | Leerink Partners | At-The-Market Offerings | Common Stock
Class of Stock [Line Items]
Common stock, shares issued	71,540,000
2025 Underwriting Agreement | Leerink Partners | At-The-Market Offerings | Common Stock | Series G Warrants
Class of Stock [Line Items]
Warrants, shares issued	35,770,000
2025 Underwriting Agreement | Leerink Partners | At-The-Market Offerings | Common Stock | Series G Warrants | Maximum
Class of Stock [Line Items]
Warrants, exercisable term	5 years
2025 Underwriting Agreement | Leerink Partners | At-The-Market Offerings | Common Stock | Series G Warrants | Minimum
Class of Stock [Line Items]
Warrants, exercisable term	30 days
2025 Underwriting Agreement | Leerink Partners | At-The-Market Offerings | Common Stock | Pre-funded Series G Warrants
Class of Stock [Line Items]
Warrants received in lieu of common stock upon initial warrant exercise	35,770,000
2025 Underwriting Agreement | Leerink Partners | At-The-Market Offerings | Common Stock | Series H Warrants
Class of Stock [Line Items]
Warrants, shares issued	35,770,000
Warrants, exercisable term	4 years
2025 Underwriting Agreement | Leerink Partners | At-The-Market Offerings | Common Stock | Pre-funded Series H Warrants
Class of Stock [Line Items]
Warrants received in lieu of common stock upon initial warrant exercise	35,770,000
2025 Underwriting Agreement | Leerink Partners | At-The-Market Offerings | Common Stock | Series G and Series H Warrants
Class of Stock [Line Items]
Warrants, exercise price	$ 0.7
Combined price per share of common stock and warrants	$ 0.699
Warrant exercise, common stock ownership limitation	19.99%
2025 Underwriting Agreement | Leerink Partners | At-The-Market Offerings | Common Stock | Pre-funded Series G and Series H Warrants
Class of Stock [Line Items]
Warrants, exercise price	$ 0.001
Exercise price of pre-funded warrants	$ 0.699