Business combination (Tables)

12 Months Ended

Dec. 31, 2021

Business Combinations [Abstract]

Schedule of purchase price allocation

	Amount
Net assets	$	(890	)
Technology		3,347
Customer relationship		177
Goodwill		17,366
Total	$	20,000

Schedule of components of identifiable intangible assets

	Fair Value		Useful Life
	US$ thousands		In years
Core technology		3,347	7
Customer relationship		177	10
Total identifiable intangible assets	$	3,524