Condensed Consolidated Statements of Stockholders' Equity (Deficit) (Unaudited) - USD ($) $ in Thousands	Total	Preferred Stock	Common Stock	Treasury Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Loss	Accumulated Deficit
Beginning balance at Dec. 31, 2022	$ 66,450	$ 0	$ 11	$ 0	$ 315,345	$ (61)	$ (248,845)
Beginning balance (in shares) at Dec. 31, 2022		0	105,032,588	10,762,566
Shares issued during the period for vested restricted stock awards	2,775				2,775
Shares issued during the period for vested restricted stock awards, shares			1,498,987
Issuance of common stock upon exercise of stock options	51				51
Issuance of common stock upon exercise of stock options, shares			265,125
Shares issued for legal settlement	2,000				2,000
Shares issued for legal settlement, shares			797,396
Sale of shares	6,292				6,292
Sale of shares, shares			2,683,000
Stock offering costs	(32)				(32)
Stock-based compensation	2,472				2,472
Net loss	(11,762)						(11,762)
Other comprehensive gain (loss)	(5)					(5)
Ending balance at Mar. 31, 2023	68,241	$ 0	$ 11	$ 0	328,903	(66)	(260,607)
Ending balance (in shares) at Mar. 31, 2023		0	110,277,096	10,762,566
Beginning balance at Dec. 31, 2022	66,450	$ 0	$ 11	$ 0	315,345	(61)	(248,845)
Beginning balance (in shares) at Dec. 31, 2022		0	105,032,588	10,762,566
Net loss	(22,176)
Ending balance at Jun. 30, 2023	79,394	$ 0	$ 12	$ 0	350,877	(474)	(271,021)
Ending balance (in shares) at Jun. 30, 2023		0	118,118,220	10,762,566
Beginning balance at Mar. 31, 2023	68,241	$ 0	$ 11	$ 0	328,903	(66)	(260,607)
Beginning balance (in shares) at Mar. 31, 2023		0	110,277,096	10,762,566
Shares issued during the period for vested restricted stock awards	2,085				2,085
Shares issued during the period for vested restricted stock awards, shares			1,213,037
Issuance of common stock upon exercise of stock options, shares			39,087
Sale of shares	17,348		$ 1		17,347
Sale of shares, shares			6,589,000
Stock offering costs	(127)				(127)
Stock-based compensation	2,669				2,669
Net loss	(10,414)						(10,414)
Other comprehensive gain (loss)	(408)					(408)
Ending balance at Jun. 30, 2023	79,394	$ 0	$ 12	$ 0	350,877	(474)	(271,021)
Ending balance (in shares) at Jun. 30, 2023		0	118,118,220	10,762,566
Beginning balance at Dec. 31, 2023	62,471	$ 0	$ 13	$ 0	361,886	(293)	(299,135)
Beginning balance (in shares) at Dec. 31, 2023		0	125,445,325	10,762,566
Shares issued during the period for vested restricted stock awards, shares			506,928
Stock-based compensation	1,639				1,639
Net loss	(8,771)						(8,771)
Other comprehensive gain (loss)	(181)					(181)
Ending balance at Mar. 31, 2024	55,158	$ 0	$ 13	$ 0	363,525	(474)	(307,906)
Ending balance (in shares) at Mar. 31, 2024		0	125,952,253	10,762,566
Beginning balance at Dec. 31, 2023	62,471	$ 0	$ 13	$ 0	361,886	(293)	(299,135)
Beginning balance (in shares) at Dec. 31, 2023		0	125,445,325	10,762,566
Net loss	(21,012)
Ending balance at Jun. 30, 2024	44,241	$ 0	$ 13	$ 0	364,813	(438)	(320,147)
Ending balance (in shares) at Jun. 30, 2024		0	127,002,580	10,762,566
Beginning balance at Mar. 31, 2024	55,158	$ 0	$ 13	$ 0	363,525	(474)	(307,906)
Beginning balance (in shares) at Mar. 31, 2024		0	125,952,253	10,762,566
Shares issued during the period for vested restricted stock awards, shares			1,009,094
Issuance of common stock upon exercise of stock options	3				3
Issuance of common stock upon exercise of stock options, shares			41,233
Stock-based compensation	1,285				1,285
Net loss	(12,241)						(12,241)
Other comprehensive gain (loss)	36					36
Ending balance at Jun. 30, 2024	$ 44,241	$ 0	$ 13	$ 0	$ 364,813	$ (438)	$ (320,147)
Ending balance (in shares) at Jun. 30, 2024		0	127,002,580	10,762,566