Condensed Consolidated Statements of Stockholders' (Deficit) Equity (Unaudited) - USD ($) $ in Thousands	Registered Direct Offering [Member] Common Stock [Member]	Registered Direct Offering [Member] Additional Paid-in Capital [Member]	Registered Direct Offering [Member] Retained Earnings [Member]	Registered Direct Offering [Member]	At-the-market Offering [Member] Common Stock [Member]	At-the-market Offering [Member] Additional Paid-in Capital [Member]	At-the-market Offering [Member] Retained Earnings [Member]	At-the-market Offering [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Total
Balance (in shares) at Dec. 31, 2021									21,039,594
Balance at Dec. 31, 2021									$ 2	$ 582,025	$ (539,805)	$ 42,222
Stock-based compensation									0	620	0	620
Net income (loss)									$ 0	0	(13,057)	(13,057)
Issuance of common stock, net (in shares)	3,185,216				54,763
Issuance of common stock, net	$ 0	$ 9,291	$ 0	$ 9,291	$ 0	$ 123	$ 0	$ 123
Balance (in shares) at Mar. 31, 2022									24,279,573
Balance at Mar. 31, 2022									$ 2	592,059	(552,862)	39,199
Balance (in shares) at Dec. 31, 2021									21,039,594
Balance at Dec. 31, 2021									$ 2	582,025	(539,805)	42,222
Net income (loss)												(31,534)
Balance (in shares) at Jun. 30, 2022									30,518,269
Balance at Jun. 30, 2022									$ 3	601,402	(571,339)	30,066
Balance (in shares) at Mar. 31, 2022									24,279,573
Balance at Mar. 31, 2022									$ 2	592,059	(552,862)	39,199
Stock-based compensation									0	725	0	725
Net income (loss)									$ 0	0	(18,477)	(18,477)
Issuance of common stock under employee benefit plans (in shares)									28,216
Issuance of common stock under employee benefit plans									$ 0	26	0	26
Issuance of common stock upon exercise of pre-funded warrants (in shares)									6,210,480
Issuance of common stock upon exercise of pre-funded warrants									$ 1	8,592	0	8,593
Balance (in shares) at Jun. 30, 2022									30,518,269
Balance at Jun. 30, 2022									$ 3	601,402	(571,339)	30,066
Balance (in shares) at Dec. 31, 2022									59,844,850
Balance at Dec. 31, 2022									$ 6	626,778	(616,127)	10,657
Stock-based compensation									0	688	0	688
Net income (loss)									$ 0	0	(49,956)	(49,956)
Balance (in shares) at Mar. 31, 2023									59,844,850
Balance at Mar. 31, 2023									$ 6	627,466	(666,083)	(38,611)
Balance (in shares) at Dec. 31, 2022									59,844,850
Balance at Dec. 31, 2022									$ 6	626,778	(616,127)	10,657
Net income (loss)												(31,948)
Balance (in shares) at Jun. 30, 2023									59,868,553
Balance at Jun. 30, 2023									$ 6	628,252	(648,075)	(19,817)
Balance (in shares) at Mar. 31, 2023									59,844,850
Balance at Mar. 31, 2023									$ 6	627,466	(666,083)	(38,611)
Stock-based compensation									0	761	0	761
Net income (loss)									$ 0	0	18,008	18,008
Issuance of common stock under employee benefit plans (in shares)									23,703
Issuance of common stock under employee benefit plans									$ 0	25	0	25
Balance (in shares) at Jun. 30, 2023									59,868,553
Balance at Jun. 30, 2023									$ 6	$ 628,252	$ (648,075)	$ (19,817)