Leases (Tables)

12 Months Ended

Dec. 31, 2021

Leases [Abstract]

Schedule of right-of-use assets of lease liabilities

	December 31,
	2 0 2 1		2 0 2 0
	U.S. dollars in thousands
Amounts recognized in the consolidated balance sheet – right-of-use assets, net	$	1,463	$	1,775
Current liabilities	$	376	$	346
Long-term liabilities		1,098		1,492
Total operating leased liabilities	$	1,474	$	1,838

Schedule of weighted average lease term and weighted average discount rate

Weighted average lease term – operating lease	4.65 years
Weighted average discount rate – operating lease	7.05	%

Schedule of cash flows related operating lease liabilities

	U.S. dollars in thousands
Years ending December 31:
2022	$	427
2023		427
2024		333
2025		162
2026		158
Thereafter		199
Total lease payments (undiscounted)		1,706
Less – discount to net present value		(232	)
Present value of lease liabilities	$	1,474