Fair Value Measurements - Warrants outstanding (Details) - $ / shares shares in Thousands	Jun. 30, 2026	Mar. 10, 2026	Nov. 25, 2024	Nov. 21, 2024	Mar. 20, 2024	Dec. 05, 2023	Apr. 19, 2022
Derivative Financial Instruments
Number of Warrants (in shares)	7,860
Closing Date Warrants
Derivative Financial Instruments
Exercise price (in dollars per share)	$ 7.68			$ 7.68	$ 49.1568	$ 58.3232	$ 320.64
Number of Warrants (in shares)	18
2023 Warrants
Derivative Financial Instruments
Exercise price (in dollars per share)	$ 7.68					$ 58.3232
Number of Warrants (in shares)	4
2024 Warrant Shares
Derivative Financial Instruments
Exercise price (in dollars per share)	$ 7.68
Number of Warrants (in shares)	6
March 2024 Accompanying Warrants, Strike Price Amended
Derivative Financial Instruments
Exercise price (in dollars per share)	$ 1.614	$ 1.614		$ 9.136
Number of Warrants (in shares)	539	539	534	534
November 2024 Accompanying Warrants
Derivative Financial Instruments
Number of Warrants (in shares)		913
November 2024 Accompanying Warrants \| Armistice Capital Master Fund
Derivative Financial Instruments
Exercise price (in dollars per share)	$ 1.614
Number of Warrants (in shares)	846
November 2024 Accompanying Warrants \| Heights Capital Management
Derivative Financial Instruments
Exercise price (in dollars per share)	$ 7.68
Number of Warrants (in shares)	27
November 2024 Accompanying Warrants \| Hudson Bay Capital Management
Derivative Financial Instruments
Exercise price (in dollars per share)	$ 7.68
Number of Warrants (in shares)	27
November 2024 Accompanying Warrants \| IntraCoastal Capital
Derivative Financial Instruments
Exercise price (in dollars per share)	$ 7.68
Number of Warrants (in shares)	13
March 2025 Accompanying Warrants
Derivative Financial Instruments
Exercise price (in dollars per share)	$ 4.2
Number of Warrants (in shares)	1,700
March 2026 Accompanying Warrants
Derivative Financial Instruments
Exercise price (in dollars per share)	$ 1.61
Number of Warrants (in shares)	4,500
March 2026 Placement Agent Warrants \| Augustus Trading LLC
Derivative Financial Instruments
Exercise price (in dollars per share)	$ 2.0175
Number of Warrants (in shares)	79
March 2026 Placement Agent Warrants \| David Dinkin
Derivative Financial Instruments
Exercise price (in dollars per share)	$ 2.0175
Number of Warrants (in shares)	71
March 2026 Placement Agent Warrants \| Wilson Drive Holdings LLC
Derivative Financial Instruments
Exercise price (in dollars per share)	$ 2.0175
Number of Warrants (in shares)	30