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Fair Value Measurements - Inputs (Details) $ / shares in Units, shares in Thousands, $ in Thousands				3 Months Ended
	Mar. 18, 2025 USD ($)	Nov. 21, 2024 USD ($) $ / shares shares	Dec. 05, 2023 USD ($) $ / shares Y shares	Mar. 31, 2025 USD ($) $ / shares Y shares	Mar. 03, 2025 USD ($) $ / shares Y shares	Dec. 31, 2024 USD ($)	Nov. 25, 2024 $ / shares shares	Mar. 25, 2024 $ / shares	Mar. 20, 2024 USD ($) $ / shares Y shares	Apr. 19, 2022 USD ($) $ / shares Y shares
Fair value inputs
Warrant derivative liability \| $				$ 3,274		$ 6,633
Warrants outstanding (in shares) \| shares				5,792
Credit Agreement
Fair value inputs
Fair value debt \| $				$ 96,403		$ 94,204
OnkosXcel Warrants
Fair value inputs
Warrants to purchase common stock (in shares) \| shares										175
OnkosXcel Warrants \| Volatility (annual)
Fair value inputs
Derivative liability input				1.15
March 2025 Option Warrants
Fair value inputs
Increase (decrease) carrying value \| $	$ 369			$ 369
Warrant derivative liability \| $					$ 369
Warrants to purchase common stock (in shares) \| shares					4,000
Warrants outstanding value \| $				$ 0
March 2025 Option Warrants \| Strike price
Fair value inputs
Derivative liability input				3.5
March 2025 Option Warrants \| Share price input
Fair value inputs
Derivative liability input				2.7
March 2025 Option Warrants \| Volatility (annual)
Fair value inputs
Derivative liability input				0.392
March 2025 Option Warrants \| Term
Fair value inputs
Derivative liability input \| Y				0.04
March 2025 Option Warrants \| Risk-free rate
Fair value inputs
Derivative liability input				0.0439
March 2025 Accompanying Warrants
Fair value inputs
Fair value warrant classified as equity \| $				$ 1,402
Exercise price (in dollars per share)				$ 4.2
Gain (loss) on derivatives \| $				$ 1,429
Warrants outstanding (in shares) \| shares				4,000
March 2025 Accompanying Warrants \| Strike price
Fair value inputs
Derivative liability input				4.2	4.2
March 2025 Accompanying Warrants \| Share price input
Fair value inputs
Derivative liability input				2.03	2.7
March 2025 Accompanying Warrants \| Volatility (annual)
Fair value inputs
Derivative liability input				0.385	0.392
March 2025 Accompanying Warrants \| Term
Fair value inputs
Derivative liability input \| Y				4.9	5
March 2025 Accompanying Warrants \| Risk-free rate
Fair value inputs
Derivative liability input				0.0396	0.0401
Closing Date Warrants
Fair value inputs
Fair value warrant classified as equity \| $		$ 164	$ 802						$ 105	$ 548
Exercise price (in dollars per share)		$ 7.68	$ 58.3232	$ 7.68					$ 49.1568	$ 320.64
Warrants to purchase common stock (in shares) \| shares										17
Repricing of stock purchase warrants \| $		$ 59	$ 254
Warrants outstanding value \| $										$ 3,245
Warrants outstanding (in shares) \| shares				17
Closing Date Warrants \| Strike price
Fair value inputs
Derivative liability input										320.64
Closing Date Warrants \| Share price input
Fair value inputs
Derivative liability input										238.88
Closing Date Warrants \| Volatility (annual)
Fair value inputs
Derivative liability input										0.95
Closing Date Warrants \| Term
Fair value inputs
Derivative liability input \| Y										7
Closing Date Warrants \| Risk-free rate
Fair value inputs
Derivative liability input										0.0295
2023 Warrants
Fair value inputs
Fair value warrant classified as equity \| $			$ 200
Exercise price (in dollars per share)			$ 58.3232	$ 7.68
Warrants to purchase common stock (in shares) \| shares			4
Warrants outstanding (in shares) \| shares				4
2023 Warrants \| Strike price
Fair value inputs
Derivative liability input			58.3232
2023 Warrants \| Share price input
Fair value inputs
Derivative liability input			59.36
2023 Warrants \| Volatility (annual)
Fair value inputs
Derivative liability input			0.99
2023 Warrants \| Term
Fair value inputs
Derivative liability input \| Y			5.4
2023 Warrants \| Risk-free rate
Fair value inputs
Derivative liability input			0.0414
2024 Warrants
Fair value inputs
Fair value warrant classified as equity \| $									$ 224
Exercise price (in dollars per share)									$ 49.1568
Warrants to purchase common stock (in shares) \| shares									6
2024 Warrants \| Strike price
Fair value inputs
Derivative liability input									49.1568
2024 Warrants \| Share price input
Fair value inputs
Derivative liability input									44.48
2024 Warrants \| Volatility (annual)
Fair value inputs
Derivative liability input									1.122
2024 Warrants \| Term
Fair value inputs
Derivative liability input \| Y									5
2024 Warrants \| Risk-free rate
Fair value inputs
Derivative liability input									0.0425
March 2024 Accompanying Warrants
Fair value inputs
Fair value warrant classified as equity \| $				$ 641
Exercise price (in dollars per share)		$ 9.136						$ 51.2
Warrant derivative liability \| $				641
Gain (loss) on derivatives \| $				$ 1,679
Warrants outstanding (in shares) \| shares							539
March 2024 Accompanying Warrants \| Strike price
Fair value inputs
Derivative liability input				2.03
March 2024 Accompanying Warrants \| Volatility (annual)
Fair value inputs
Derivative liability input				1.202
March 2024 Accompanying Warrants \| Term
Fair value inputs
Derivative liability input \| Y				4
March 2024 Accompanying Warrants \| Risk-free rate
Fair value inputs
Derivative liability input				0.0393
March 2024 Accompanying Warrants, Strike Price Amended
Fair value inputs
Exercise price (in dollars per share)				$ 9.136
Warrants outstanding (in shares) \| shares		534		534			534
March 2024 Accompanying Warrants, Strike Price Amended \| Strike price
Fair value inputs
Derivative liability input				9.136
Exercise price (in dollars per share)							$ 9.136
March 2024 Accompanying Warrants, Strike Price Not Amended
Fair value inputs
Exercise price (in dollars per share)				$ 51.2
Warrants outstanding (in shares) \| shares				5
March 2024 Accompanying Warrants, Strike Price Not Amended \| Strike price
Fair value inputs
Derivative liability input				51.2
November 2024 Accompanying Warrants
Fair value inputs
Fair value warrant classified as equity \| $				$ 1,193
Warrant derivative liability \| $				1,193
Gain (loss) on derivatives \| $				$ 3,080
November 2024 Accompanying Warrants \| Strike price
Fair value inputs
Exercise price (in dollars per share)				$ 7.68
November 2024 Accompanying Warrants \| Share price input
Fair value inputs
Derivative liability input				2.03
November 2024 Accompanying Warrants \| Volatility (annual)
Fair value inputs
Derivative liability input				1.153
November 2024 Accompanying Warrants \| Term
Fair value inputs
Derivative liability input \| Y				4.7
November 2024 Accompanying Warrants \| Risk-free rate
Fair value inputs
Derivative liability input				0.0394