Stockholders' Equity - Reserved shares and Common stock (Details)				9 Months Ended
	Mar. 18, 2025	Feb. 26, 2025 shares	May 23, 2024	Sep. 30, 2025 Vote $ / shares shares	Dec. 31, 2024 $ / shares shares	Sep. 30, 2022 $ / shares shares	Sep. 29, 2022 shares
Shares of common stock reserved for issuance
Options issued and outstanding				28,734	30,469
Options available for grant under stock option plans				337,402	17,695
Restricted stock unit awards issued and outstanding				8,408	220
Warrants issued and outstanding				2,578,419	3,045
Total				2,953,831	51,430
Number of voting rights entitled for each share of common stock held | Vote				1
Reverse stock split ratio	0.04		0.0167
Total shares authorized				358,000,000
Preferred stock, shares authorized (in shares)				10,000,000	10,000,000
Stockholder Rights Plan
Shares of common stock reserved for issuance
Dividend declared preferred share		1
Maturity date		Feb. 26, 2026
Inducement options issued and outstanding
Shares of common stock reserved for issuance
Options issued and outstanding				868	1
Common Stock | Common stock - voting
Shares of common stock reserved for issuance
Common stock, par value (in dollars per share) | $ / shares				$ 0.0001	$ 0.0001	$ 0.0001
Common stock, shares authorized (in shares)				298,000,000	298,000,000	298,000,000	150,000,000
Common Stock | Common stock - non-voting
Shares of common stock reserved for issuance
Common stock, par value (in dollars per share) | $ / shares				$ 0.0001	$ 0.0001
Common stock, shares authorized (in shares)				50,000,000	50,000,000
Convertible non-voting common stock
Shares of common stock reserved for issuance
Reverse stock split ratio				1