Selected Statement of Operations Data (Tables)

12 Months Ended

Dec. 31, 2021

Selected Statement of Operations Data [Abstract]

Schedule of revenues classified by product lines

	Years Ended December 31,
	2 0 2 1		2 0 2 0		2 0 1 9
	U.S. dollars in thousands
Product line “A”	$	12,069	$	11,986	$	13,591
Product line “B”		2,286		2,642		2,956
Product line “C”		11,976		8,746		6,117
	$	26,331	$	23,374	$	22,664

Schedule of geographical revenues classified by geographical location of the customers

	Years Ended December 31,
	2 0 2 1		2 0 2 0		2 0 1 9
	U.S. dollars in thousands
The Americas	$	9,421	$	10,355	$	12,030
Europe		14,702		11,734		8,839
Israel		1,366		893		1,272
Other		842		392		523
	$	26,331	$	23,374	$	22,664

Schedule of financial income, net

	Years Ended December 31,
	2 0 2 1			2 0 2 0			2 0 1 9
	U.S. dollars in thousands
Income:
Interest on bank deposits and short-term investments	$	110		$	172		$	219
Non-dollar currency gains, net		-			147			89
Income from marketable securities		-			83			165
Realized gain from sale of available-for-sale securities		3			-			24
		113			402			497
Expenses:
Non-dollar currency losses, net		(8	)		-			-
Unrealized loss from marketable securities		(1	)		-			-
Bank commissions and charges		(49	)		(23	)		(14	)
		(58	)		(23	)		(14	)
	$	55		$	379		$	483

Schedule of computation of basic and diluted EPS

	Years Ended December 31,
	2 0 2 1		2 0 2 0		2 0 1 9
	In thousands
Weighted average number of shares issued and outstanding - used in computation of basic EPS		20,006		19,907		19,746
Incremental shares from assumed exercise of options		264		231		216
Weighted average number of shares used in computation of diluted EPS		20,270		20,138		19,962