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Stockholders' Equity - Common stock (Details)												1 Months Ended	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 23, 2025 USD ($) BusinessDay $ / shares shares	Jun. 18, 2025 shares	Jun. 17, 2025 USD ($) $ / shares shares	May 02, 2025 USD ($) shares	Mar. 07, 2025 USD ($)	Mar. 04, 2025 USD ($) $ / shares shares	Feb. 13, 2025 USD ($) $ / shares shares	Aug. 09, 2024 USD ($)	May 09, 2024 USD ($) shares	May 08, 2024 shares	May 05, 2024 USD ($) $ / shares shares	Aug. 13, 2025 shares	Jun. 30, 2025 USD ($) $ / shares shares	Jun. 30, 2024 USD ($) shares	Jun. 30, 2025 USD ($) $ / shares shares	Jun. 30, 2024 USD ($)	Dec. 31, 2024 USD ($) $ / shares	Jun. 16, 2025	May 19, 2025 $ / shares	Mar. 31, 2025 USD ($)
Class of Stock [Line Items]
Common stock, par value (in dollars per share) | $ / shares													$ 0.001		$ 0.001		$ 0.001
Fair value													$ 0		$ 0		$ 0
Excess of fair value of instruments issued over cash received															1,389,000
Change in fair value of warrants													800,000		800,000
Change in fair value of derivative instruments													$ (6,512,000)	$ (4,694,000)	$ 2,631,000	$ (4,694,000)
Number of shares issuable upon exercise | shares													1		1
Series A Warrant [Member]
Class of Stock [Line Items]
Warrant exercise price (in dollars per share) | $ / shares																			$ 0.4373
Series B Warrant [Member]
Class of Stock [Line Items]
Warrant exercise price (in dollars per share) | $ / shares																			$ 0.4373
Series B Warrant [Member] | Amendment and Restatements May 2024 Private Placement [Member]
Class of Stock [Line Items]
Number of warrants exercised | shares															497,824
Pre-Funded Warrants [Member] | Amendment and Restatements May 2024 Private Placement [Member]
Class of Stock [Line Items]
Number of warrants exercised | shares															15,552,080
Series A Warrant and Series B Warrant [Member] | Amendment and Restatements May 2024 Private Placement [Member]
Class of Stock [Line Items]
Fair value of warrant liability reclassified to equity								$ 5,200,000
Common Stock [Member]
Class of Stock [Line Items]
Issue and sale of share | shares														1,439,988
Common Stock [Member] | Series A Warrant [Member] | Amendment and Restatements May 2024 Private Placement [Member]
Class of Stock [Line Items]
Restricted beneficial ownership level result of exercise of warrant to receive pre-funded warrant											4.99%
Common Stock [Member] | Series B Warrant [Member]
Class of Stock [Line Items]
Number of shares issued | shares				21,482,492
Common Stock [Member] | Series B Warrant [Member] | Amendment and Restatements May 2024 Private Placement [Member]
Class of Stock [Line Items]
Restricted beneficial ownership level result of exercise of warrant to receive pre-funded warrant											9.99%
February 2025 SPEA Agreements
Class of Stock [Line Items]
Common stock, par value (in dollars per share) | $ / shares							$ 0.001
Warrant exercise price (in dollars per share) | $ / shares							$ 1.12
Aggregate purchase price							$ 3,700,000
Purchase price of share | $ / shares							$ 0.125
Maturity date							Feb. 13, 2026
Interest rate							10.00%
Proceeds from private placement							$ 4,200,000
February 2025 SPEA Agreements | SPEA Warrants [Member]
Class of Stock [Line Items]
Aggregate purchase price							4,200,000
February 2025 SPEA Agreements | February 2025 Warrants [Member]
Class of Stock [Line Items]
Fair value							500,000
Change in fair value of derivative instruments															$ 2,200,000
February 2025 SPEA Agreements | Common Stock [Member]
Class of Stock [Line Items]
Aggregate principal amount							$ 3,300,000
Number of securities called by warrant or right | shares							3,002,009
May 2024 Purchase Agreement
Class of Stock [Line Items]
Aggregate principal amount							$ 3,200,000
Financing expense															3,100,000
May 2024 Purchase Agreement | Series A Warrant [Member]
Class of Stock [Line Items]
Fair value							2,700,000
Excess of fair value of instruments issued over cash received															3,700,000
Carrying value of warrants exchanged													$ 3,700,000		3,700,000
May 2024 Purchase Agreement | Common Stock [Member] | Series A Warrant [Member]
Class of Stock [Line Items]
Number of shares issued | shares										3,591,532
May 2024 Purchase Agreement | Exchange Notes
Class of Stock [Line Items]
Fair value							3,800,000
Change in fair value of derivative instruments															300,000
May 2024 Purchase Agreement | Funding Notes
Class of Stock [Line Items]
Fair value							4,000,000
Change in fair value of derivative instruments															300,000
March 2025 Private Placement
Class of Stock [Line Items]
Aggregate principal amount							$ 3,400,000
Offering expenses					$ 1,400,000
Warrant issuance expenses					1,000,000
Fair value					13,200,000
Fair value of warrant liability reclassified to equity					$ 5,800,000
Percentage agreed to repay purchasers holding securities			115.00%
Percentage of proceeds to repay purchasers from capital raised			90.00%
Warrant liability													0		0
March 2025 Private Placement | Exchange [Member]
Class of Stock [Line Items]
Aggregate principal amount						$ 3,200,000
March 2025 Private Placement | Private Placement Share [Member]
Class of Stock [Line Items]
Purchase price of share | $ / shares			$ 0.66
March 2025 Private Placement | Prefunded Warrant [Member]
Class of Stock [Line Items]
Number of securities called by warrant or right | shares			10,633,650
Purchase price of share | $ / shares			$ 0.659
March 2025 Private Placement | Private Placement And Prefunded Warrant [Member]
Class of Stock [Line Items]
Number of shares agreed to return | shares			12,241,986
March 2025 Private Placement | Series A Warrant [Member] | New Capital Subscriptions [Member]
Class of Stock [Line Items]
Number of shares issued | shares						22,727,270
March 2025 Private Placement | Series A Warrant [Member] | Exchange [Member]
Class of Stock [Line Items]
Number of shares issued | shares						5,314,870
March 2025 Private Placement | Series A Warrant [Member] | Securities Purchase Agreement [Member]
Class of Stock [Line Items]
Number of shares issued | shares						28,042,138
March 2025 Private Placement | Series B Warrant [Member] | New Capital Subscriptions [Member]
Class of Stock [Line Items]
Number of shares issued | shares						22,727,270
March 2025 Private Placement | Series B Warrant [Member] | Exchange [Member]
Class of Stock [Line Items]
Number of shares issued | shares						5,314,870
March 2025 Private Placement | Series B Warrant [Member] | Securities Purchase Agreement [Member]
Class of Stock [Line Items]
Number of shares issued | shares						28,042,138
March 2025 Private Placement | Pre-Funded Warrants [Member] | New Capital Subscriptions [Member]
Class of Stock [Line Items]
Number of shares issued | shares						19,650,000
March 2025 Private Placement | Pre-Funded Warrants [Member] | Exchange [Member]
Class of Stock [Line Items]
Number of shares issued | shares						4,322,400
March 2025 Private Placement | Pre-Funded Warrants [Member] | Securities Purchase Agreement [Member]
Class of Stock [Line Items]
Number of shares issued | shares						23,972,400
March 2025 Private Placement | Minimum [Member]
Class of Stock [Line Items]
Percentage of liquidated damages obligated to pay					1.00%
March 2025 Private Placement | Maximum [Member]
Class of Stock [Line Items]
Percentage of liquidated damages obligated to pay					6.00%
March 2025 Private Placement | Common Stock [Member]
Class of Stock [Line Items]
Proceeds from private placement					$ 15,000,000
Maximum beneficial ownership percentage						4.99%
Maximum beneficial ownership percentage by election of holder						9.99%
Offering expenses					$ 400,000
March 2025 Private Placement | Common Stock [Member] | New Capital Subscriptions [Member]
Class of Stock [Line Items]
Number of shares issued | shares						3,077,270
March 2025 Private Placement | Common Stock [Member] | Exchange [Member]
Class of Stock [Line Items]
Number of shares issued | shares						992,468
March 2025 Private Placement | Common Stock [Member] | Securities Purchase Agreement [Member]
Class of Stock [Line Items]
Warrant exercise price (in dollars per share) | $ / shares						$ 0.001
Number of shares issued | shares						4,069,738
Issue and sale of share | shares						28,042,140
March 2025 Private Placement | Common Stock [Member] | Private Placement Share [Member]
Class of Stock [Line Items]
Purchase price of share | $ / shares						$ 0.66
March 2025 Private Placement | Common Stock [Member] | Prefunded Warrant [Member]
Class of Stock [Line Items]
Purchase price of share | $ / shares						0.659
March 2025 Private Placement | Common Stock [Member] | Series A Warrant [Member]
Class of Stock [Line Items]
Warrant exercise price (in dollars per share) | $ / shares						1.32
Floor price | $ / shares						$ 0.132
Expiration period						5 years
March 2025 Private Placement | Common Stock [Member] | Series B Warrant [Member]
Class of Stock [Line Items]
Warrant exercise price (in dollars per share) | $ / shares						$ 1.98
Expiration period						2 years 6 months
March 2025 Private Placement | Exchange Notes
Class of Stock [Line Items]
Fair value						$ 3,500,000
May 2024 Private Placement
Class of Stock [Line Items]
Financing expense											$ 3,500,000
Change in fair value of warrants																	$ 5,700,000
May 2024 Private Placement | Common Stock [Member]
Class of Stock [Line Items]
Proceeds from private placement									$ 7,300,000
Number of shares issued | shares									1,439,988
Offering expenses									$ 400,000
Proceeds from issuance of warrants											$ 10,900,000
May 2024 Private Placement | Common Stock [Member] | Securities Purchase Agreement [Member]
Class of Stock [Line Items]
Warrant exercise price (in dollars per share) | $ / shares											$ 0.001
Issue and sale of share | shares											3,591,532
May 2024 Private Placement | Common Stock [Member] | Private Placement And Prefunded Warrant [Member] | Initial Subscription [Member]
Class of Stock [Line Items]
Purchase price of share | $ / shares											$ 2.022
May 2024 Private Placement | Common Stock [Member] | Private Placement And Prefunded Warrant [Member] | Additional Subscription [Member]
Class of Stock [Line Items]
Purchase price of share | $ / shares											$ 2.158
May 2024 Private Placement | Common Stock [Member] | Series A Warrant [Member]
Class of Stock [Line Items]
Number of shares issued | shares									3,591,532		3,591,532
May 2024 Private Placement | Common Stock [Member] | Series A Warrant [Member] | Initial Subscription [Member]
Class of Stock [Line Items]
Warrant exercise price (in dollars per share) | $ / shares											$ 1.772
May 2024 Private Placement | Common Stock [Member] | Series B Warrant [Member]
Class of Stock [Line Items]
Number of shares issued | shares									3,591,532		3,591,532
May 2024 Private Placement | Common Stock [Member] | Series B Warrant [Member] | Additional Subscription [Member]
Class of Stock [Line Items]
Warrant exercise price (in dollars per share) | $ / shares											$ 1.908
May 2024 Private Placement | Common Stock [Member] | Pre-Funded Warrants [Member]
Class of Stock [Line Items]
Number of shares issued | shares									2,151,544
May 2024 Private Placement | Common Stock [Member] | Series A Warrant and Series B Warrant [Member]
Class of Stock [Line Items]
Warrant exercise price (in dollars per share) | $ / shares											1.79
May 2024 Private Placement | Common Stock [Member] | Series A Warrant and Series B Warrant [Member] | Initial Subscription [Member]
Class of Stock [Line Items]
Closing price per share | $ / shares											$ 2.04
March 2025 Series A Warrants
Class of Stock [Line Items]
Fair value																				$ 5,000,000
Change in fair value of warrants													$ 2,700,000		2,700,000
Extinguishment of Warrants															2,300,000
March 2025 Series B Warrants [Member]
Class of Stock [Line Items]
Number of securities called by warrant or right | shares		34,794,540	35,536,380
Warrant exercise price (in dollars per share) | $ / shares			$ 1.98
Change in fair value of warrants				$ 3,800,000
Fair value of warrant liability reclassified to equity			$ 11,000,000
Remeasurement of warrant liability			$ 4,500,000
Cashless warrants excercised for common stock | shares		34,794,540
Warrants exercise ratio			1															3
Lincoln Park Purchase Agreement | Lincoln Park Capital Fund, LLC [Member]
Class of Stock [Line Items]
Common stock, par value (in dollars per share) | $ / shares			$ 0.001
Maximum obligation under single regular purchase	$ 1,000,000
Legal fees															$ 50,000
Lincoln Park Purchase Agreement | Common Stock [Member] | Lincoln Park Capital Fund, LLC [Member]
Class of Stock [Line Items]
Issue and sale of share | shares															10,187,000
Period exercisable from the date of issuance															36 months
Initial commitment fee paid in cash			$ 500,000
Additional commitment fee paid in cash			500,000
Maximum value of shares to be issued under agreement			50,000,000
Number of maximum common shares can be resale | shares	17,000,000
Regular purchase price per share threshold percentage	97.00%
Consecutive business days | BusinessDay	10
Accelerated purchase price per share threshold percentage	96.50%
Additional accelerated purchase price per share threshold percentage	96.50%
Aggregate gross proceeds from sales of common stock			$ 25,000,000												$ 2,800,000
Lincoln Park Purchase Agreement | Common Stock [Member] | Lincoln Park Capital Fund, LLC [Member] | Closing Stock Price Not Below $0.10 [Member]
Class of Stock [Line Items]
Issue and sale of share | shares	300,000
Closing price per share | $ / shares	$ 0.1
Lincoln Park Purchase Agreement | Common Stock [Member] | Lincoln Park Capital Fund, LLC [Member] | Closing Stock Price Not Below $0.50 [Member]
Class of Stock [Line Items]
Issue and sale of share | shares	400,000
Closing price per share | $ / shares	$ 0.5
Lincoln Park Purchase Agreement | Common Stock [Member] | Lincoln Park Capital Fund, LLC [Member] | Closing Stock Price Not Below $0.75 [Member]
Class of Stock [Line Items]
Issue and sale of share | shares	500,000
Closing price per share | $ / shares	$ 0.75
Lincoln Park Purchase Agreement | Common Stock [Member] | Subsequent Event [Member] | Lincoln Park Capital Fund, LLC [Member]
Class of Stock [Line Items]
Issue and sale of share | shares												2,000,000

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