Statements of Changes in Stockholders' Equity (Deficit) - USD ($) $ in Thousands	Preferred Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Total
Balance at Dec. 31, 2021		$ 607	$ 420,450	$ (419,928)	$ 1,129
Balance, shares at Dec. 31, 2021		606,970,903
Issuance of common stock and warrants		$ 23	164		187
Issuance of common stock and warrants, shares		22,800,000
Cashless exercise of warrants and extinguishment of related warrant derivative liability		$ 74	854		928
Cashless exercise of warrants and extinguishment of related warrant derivative liability, shares		74,000,000
Net loss				(5,978)	(5,978)
Balance at Dec. 31, 2022		$ 704	421,468	(425,906)	(3,734)
Balance, shares at Dec. 31, 2022		703,770,903
Issuance of common stock and warrants
Cashless exercise of warrants and extinguishment of related warrant derivative liability		$ 91	370		461
Cashless exercise of warrants and extinguishment of related warrant derivative liability, shares		91,400,000
Net loss				(6,133)	(6,133)
Issuance of shares in respect of lease agreement		$ 34	374		408
Issuance of shares in respect of lease agreement, shares		34,000,000
Conversion of convertible note into Common Stock		$ 20	120		140
Conversion of convertible note into Common Stock, shares		20,000,000
Balance at Dec. 31, 2023		$ 849	$ 422,332	$ (432,039)	$ (8,858)
Balance, shares at Dec. 31, 2023		849,170,903