Liquidity (Details)			3 Months Ended
	Jan. 01, 2026 USD ($) shares	Mar. 13, 2025 USD ($) D $ / shares	Dec. 31, 2025 USD ($) D $ / shares shares	Dec. 31, 2024 USD ($) shares	Sep. 30, 2025 USD ($)
Liquidity
Accumulated deficit			$ (628,767,898)		$ (605,709,763)
Debt, interest, fees			32,234,985
Carrying value of notes exchanged			30,736
Proceeds from issuance of stock			$ 14,931,536	$ 1,742,373
Shares converted | shares	13,510,620		13,600
March 2025 Note
Liquidity
Quarterly payment		$ 3,000,000	$ 3,000,000
Carrying value of notes exchanged			$ 30,736
Increase in debt balance for a Major Trigger Event (as a percent)		10.00%
Debt conversion rate (in dollars per share) | $ / shares		$ 2.26
March 2025 Note | Major Trigger Event
Liquidity
Increase in debt balance for a Major Trigger Event (as a percent)			10.00%
Debt conversion rate (in dollars per share) | $ / shares		$ 2.26
Stock price trigger threshold (as a percent)		90.00%	90.00%
Trading day threshold		3	3
March 2025 Note | Major Trigger Event | Minimum
Liquidity
Debt conversion rate (in dollars per share) | $ / shares			$ 0.404
March 2025 Note | Major Trigger Event | Maximum
Liquidity
Debt conversion rate (in dollars per share) | $ / shares			$ 2.26
March 2025 Note | Subsequent Events
Liquidity
Carrying value of notes exchanged	$ 6,285,000
BTIG ATM
Liquidity
Sale of common stock, net of issuance costs (in shares) | shares			10,227,166	1,000,000
Payment of fees to sales agent			$ 461,800	$ 53,888
Proceeds from issuance of stock			$ 14,931,537	$ 1,742,373
BTIG ATM | Subsequent Events
Liquidity
Sale of common stock, net of issuance costs (in shares) | shares	5,000,000
Sale of stock, consideration received on transaction	$ 2,425,000
Payment of fees to sales agent	75,000
Proceeds from issuance of stock	$ 2,425,000