Condensed Statements of Stockholders' Deficit - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Accumulated Deficit	Accumulated Other Comprehensive Income (Loss)	Treasury Stock
Beginning balance (in shares) at Dec. 31, 2022		74,570,198
Beginning balance at Dec. 31, 2022	$ (323,778)	$ 75	$ 1,071,183	$ (1,340,036)	$ (2)	$ (54,998)
Increase (Decrease) in Stockholders' Equity
Vesting of restricted stock units and performance-based restricted stock units (in shares)		372,117
Vesting of ESPP Shares (in shares)		95,654
Vesting of ESPP shares	502		502
Stock-based compensation	2,903		2,903
Issuance of common stock, warrants, and pre-funded warrants, net of issuance costs (in shares)		12,205,000
Issuance of common stock, warrants, and pre-funded warrants, net of issuance costs	52,428	$ 12	52,416
Other comprehensive gain	1				1
Net loss	(61,719)			(61,719)
Ending balance (in shares) at Mar. 31, 2023		87,242,969
Ending balance at Mar. 31, 2023	(329,663)	$ 87	1,127,004	(1,401,755)	(1)	(54,998)
Beginning balance (in shares) at Dec. 31, 2022		74,570,198
Beginning balance at Dec. 31, 2022	(323,778)	$ 75	1,071,183	(1,340,036)	(2)	(54,998)
Increase (Decrease) in Stockholders' Equity
Net loss	(111,654)
Ending balance (in shares) at Jun. 30, 2023		100,870,527
Ending balance at Jun. 30, 2023	(371,978)	$ 101	1,134,609	(1,451,690)	0	(54,998)
Beginning balance (in shares) at Mar. 31, 2023		87,242,969
Beginning balance at Mar. 31, 2023	(329,663)	$ 87	1,127,004	(1,401,755)	(1)	(54,998)
Increase (Decrease) in Stockholders' Equity
Vesting of restricted stock units and performance-based restricted stock units (in shares)		215,903
Vesting of restricted stock units	1	$ 1
Stock-based compensation	3,160		3,160
Issuance of common stock from ATM program, net of issuance costs (in shares)		3,312,908
Issuance of common stock from ATM program, net of issuance costs	4,448	$ 3	4,445
Exercise of warrants (in shares)		10,098,747
Exercise of warrants	10	$ 10
Other comprehensive gain	1				1
Net loss	(49,935)			(49,935)
Ending balance (in shares) at Jun. 30, 2023		100,870,527
Ending balance at Jun. 30, 2023	(371,978)	$ 101	1,134,609	(1,451,690)	0	(54,998)
Beginning balance (in shares) at Dec. 31, 2023		118,210,315
Beginning balance at Dec. 31, 2023	(454,994)	$ 118	1,149,170	(1,549,284)	0	(54,998)
Increase (Decrease) in Stockholders' Equity
Vesting of restricted stock units and performance-based restricted stock units (in shares)		439,783
Vesting of restricted stock units	1	$ 1
Stock-based compensation	3,235		3,235
Issuance of common stock, warrants, and pre-funded warrants, net of issuance costs (in shares)		65,205,000
Issuance of common stock, warrants, and pre-funded warrants, net of issuance costs	90,672	$ 65	90,607
Exercise of warrants (in shares)		4,000,000
Exercise of warrants	5,766	$ 4	5,762
Net loss	61,022			61,022
Ending balance (in shares) at Mar. 31, 2024		187,855,098
Ending balance at Mar. 31, 2024	(294,298)	$ 188	1,248,774	(1,488,262)	0	(54,998)
Beginning balance (in shares) at Dec. 31, 2023		118,210,315
Beginning balance at Dec. 31, 2023	$ (454,994)	$ 118	1,149,170	(1,549,284)	0	(54,998)
Increase (Decrease) in Stockholders' Equity
Exercise of stock options (in shares)	1,956
Net loss	$ (903)
Ending balance (in shares) at Jun. 30, 2024		194,625,408
Ending balance at Jun. 30, 2024	(344,220)	$ 195	1,260,770	(1,550,187)	0	(54,998)
Beginning balance (in shares) at Mar. 31, 2024		187,855,098
Beginning balance at Mar. 31, 2024	(294,298)	$ 188	1,248,774	(1,488,262)	0	(54,998)
Increase (Decrease) in Stockholders' Equity
Vesting of restricted stock units and performance-based restricted stock units (in shares)		479,921
Vesting of restricted stock units	1	$ 1
Stock-based compensation	2,931		2,931
Exercise of stock options (in shares)		17,606
Exercise of stock options	29		29
Exercise of warrants (in shares)		6,272,783
Exercise of warrants	9,042	$ 6	9,036
Net loss	(61,925)			(61,925)
Ending balance (in shares) at Jun. 30, 2024		194,625,408
Ending balance at Jun. 30, 2024	$ (344,220)	$ 195	$ 1,260,770	$ (1,550,187)	$ 0	$ (54,998)