Condensed Consolidated Statements of Operations (Unaudited) (Parenthetical) - Officers Employees and Directors [Member] - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Research and Development Expense [Member]
Share-based payment arrangement, expense	$ 0	$ 201	$ 13	$ 327
Selling, General and Administrative Expenses [Member]
Share-based payment arrangement, expense	$ 500	$ 2,700	$ 1,800	$ 3,500