Net Loss per Share Attributable to Common Stockholders - Computations of Diluted Weighted Average Shares Outstanding (Details) - shares	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Net Loss per Share Attributable to Common Stockholders [Abstract]
Options to purchase common stock (in shares)	4,581,526	3,251,644	4,581,526	3,251,644
Warrants to purchase common stock (in shares)	141,639	196,816	141,639	196,816
Total potential shares (in shares)	40,788,681	15,127,435	40,788,681	15,127,435
April 2023 Financing [Member]
Net Loss per Share Attributable to Common Stockholders [Abstract]
Warrants to purchase common stock in connection financing (in shares)	68,809	68,809	68,809	68,809
November 2023 Financing [Member]
Net Loss per Share Attributable to Common Stockholders [Abstract]
Warrants to purchase common stock in connection financing (in shares)	5,805,083	11,610,166	5,805,083	11,610,166
June 2025 Financing [Member]
Net Loss per Share Attributable to Common Stockholders [Abstract]
Warrants to purchase common stock in connection financing (in shares)	105,726	0	105,726	0
August 2025 Financing [Member]
Net Loss per Share Attributable to Common Stockholders [Abstract]
Warrants to purchase common stock in connection financing (in shares)	30,085,898	0	30,085,898	0