Intangible assets, net (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Identifiable intangible assets [Abstract]
Gross amount	$ 1,606	$ 1,606
Accumulated amortization	(1,518)	(1,364)
Amortization expense	154	155
Future amortization expense [Abstract]
2024	88
Thereafter	0
Purchased Technology [Member]
Identifiable intangible assets [Abstract]
Gross amount	1,591	1,591
Accumulated amortization	(1,503)	(1,349)
Patents [Member]
Identifiable intangible assets [Abstract]
Gross amount	15	15
Accumulated amortization	$ (15)	$ (15)