Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Intangible Assets [Abstract]
Gross amount	$ 8,916		$ 9,111
Accumulated amortization	(7,132)		(7,181)
Net amount	1,784		1,930
Amortization expense for intangible assets	164	$ 185
Intellectual Property Assets [Member]
Intangible Assets [Abstract]
Gross amount	8,916		9,111
Accumulated amortization	(7,132)		(7,181)
Net amount	$ 1,784		$ 1,930