Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of definite-lived other intangible assets

	December 31,
	2 0 2 1			2 0 2 0
	U.S. dollars in thousands
Core technology	$	312		$	312
Customer relationships		545			545
		857			857
Less – accumulated amortization		(348	)		(217	)
		509			640
Functional currency translation adjustments		13			62
Total intangible assets, net	$	522		$	702

Schedule of goodwill

	Billing and related services		Messaging			Total
	U.S. dollars in thousands
Balance as of January 1, 2020	$	5,430	$	2,480		$	7,910
Changes during the year ended December 31, 2020:
Functional currency translation adjustments		-		229			229
Balance as of December 31, 2020	$	5,430	$	2,709		$	8,139
Changes during the year ended December 31, 2021:
Functional currency translation adjustments		-		(210	)		(210	)
Balance as of December 31, 2021	$	5,430	$	2,499		$	7,929