Condensed Consolidated Statements of Changes in Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Treasury Stock, Common [Member]	Retained Earnings [Member]	Total
Balance (in shares) at Dec. 31, 2022	146,426,697		41,309
Balance at Dec. 31, 2022	$ 146	$ 1,585,708	$ (234)	$ (1,527,033)	$ 58,587
Issuance of common stock in connection with exercise of options (in shares)	66,701		0
Issuance of common stock in connection with exercise of options		363	$ 0	0	363
Issuance of restricted stock (in shares)	3,017,736		0
Issuance of restricted stock	$ 3	(3)	$ 0	0	0
Warrants issued with debt financing	$ 0	595	$ 0	0	595
Forfeiture of restricted stock (in shares)	(73,787)		0
Forfeiture of restricted stock			$ 0	0	0
Compensation in respect of restricted stock granted to employees, directors and consultants	$ 0	7,120	0	0	7,120
Net loss	$ 0	0	$ 0	(39,232)	(39,232)
Balance (in shares) at Mar. 31, 2023	149,437,347		41,309
Balance at Mar. 31, 2023	$ 149	1,593,783	$ (234)	(1,566,265)	27,433
Balance (in shares) at Dec. 31, 2023	151,465,598		41,309
Balance at Dec. 31, 2023	$ 151	1,674,946	$ (234)	(1,514,361)	$ 160,502
Issuance of common stock in connection with exercise of options (in shares)	2,500				2,500
Issuance of common stock in connection with exercise of options		10			$ 10
Issuance of restricted stock (in shares)	3,304,468
Issuance of restricted stock	$ 4	(4)			0
Forfeiture of restricted stock (in shares)	(165,514)
Forfeiture of restricted stock					0
Compensation in respect of restricted stock granted to employees, directors and consultants		10,304			10,304
Net loss				(10,707)	(10,707)
Balance (in shares) at Mar. 31, 2024	154,607,052		41,309
Balance at Mar. 31, 2024	$ 155	$ 1,685,256	$ (234)	$ (1,525,068)	$ 160,109