Condensed Consolidated Statements of Shareholders' Equity (Deficit) (Unaudited) - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Retained Deficit
Beginning balance (in shares) at Dec. 31, 2022		6,670
Beginning balance at Dec. 31, 2022	$ (101,714)	$ 67	$ 295,277	$ (397,058)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Undeclared dividends on Series A convertible preferred stock	(1,198)		(1,198)
Stock-based plan activity (in shares)		272
Stock-based plan activity	(15)	$ 2	(17)
Non-cash stock-based compensation	902		902
Net income (loss)	24,145			24,145
Ending balance (in shares) at Mar. 31, 2023		6,942
Ending balance at Mar. 31, 2023	(77,880)	$ 69	294,964	(372,913)
Beginning balance (in shares) at Dec. 31, 2022		6,670
Beginning balance at Dec. 31, 2022	(101,714)	$ 67	295,277	(397,058)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	11,933
Ending balance (in shares) at Jun. 30, 2023		7,178
Ending balance at Jun. 30, 2023	(90,733)	$ 72	294,320	(385,125)
Beginning balance (in shares) at Mar. 31, 2023		6,942
Beginning balance at Mar. 31, 2023	(77,880)	$ 69	294,964	(372,913)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Undeclared dividends on Series A convertible preferred stock	(1,230)		(1,230)
Issuance of common stock, net of issuance costs (in shares)		68
Issuance of common stock, net of issuance costs	0	$ 1	(1)
Stock-based plan activity (in shares)		168
Stock-based plan activity	(12)	$ 2	(14)
Non-cash stock-based compensation	601		601
Net income (loss)	(12,212)			(12,212)
Ending balance (in shares) at Jun. 30, 2023		7,178
Ending balance at Jun. 30, 2023	(90,733)	$ 72	294,320	(385,125)
Beginning balance (in shares) at Dec. 31, 2023		8,178
Beginning balance at Dec. 31, 2023	(115,091)	$ 82	302,992	(418,165)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Undeclared dividends on Series A convertible preferred stock	(1,335)		(1,335)
Issuance of common stock, net of issuance costs (in shares)		5,026
Issuance of common stock, net of issuance costs	47,641	$ 50	47,591
Stock-based plan activity (in shares)		(7)
Stock-based plan activity	(213)		(213)
Non-cash stock-based compensation	575		575
Net income (loss)	27,019			27,019
Ending balance (in shares) at Mar. 31, 2024		13,197
Ending balance at Mar. 31, 2024	(41,404)	$ 132	349,610	(391,146)
Beginning balance (in shares) at Dec. 31, 2023		8,178
Beginning balance at Dec. 31, 2023	(115,091)	$ 82	302,992	(418,165)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	17,203
Ending balance (in shares) at Jun. 30, 2024		14,190
Ending balance at Jun. 30, 2024	(34,110)	$ 142	366,710	(400,962)
Beginning balance (in shares) at Mar. 31, 2024		13,197
Beginning balance at Mar. 31, 2024	(41,404)	$ 132	349,610	(391,146)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Undeclared dividends on Series A convertible preferred stock	(1,372)		(1,372)
Issuance of common stock, net of issuance costs (in shares)		616
Issuance of common stock, net of issuance costs	17,438	$ 6	17,432
Stock-based plan activity (in shares)		377
Stock-based plan activity	(167)	$ 4	(171)
Non-cash stock-based compensation	1,211		1,211
Net income (loss)	(9,816)			(9,816)
Ending balance (in shares) at Jun. 30, 2024		14,190
Ending balance at Jun. 30, 2024	$ (34,110)	$ 142	$ 366,710	$ (400,962)