SUPPLEMENTARY FINANCIAL STATEMENT INFORMATION (Tables)

12 Months Ended

Dec. 31, 2022

SUPPLEMENTARY FINANCIAL STATEMENT INFORMATION

Supplemental Information, Balance Sheets

	December 31,
(U.S. dollars in thousands)	2021		2022
a.     Other assets:
Institutions	$	311	$	364
Prepaid expenses		905		774
Sundry		69		172
	$	1,285	$	1,310

	December 31,
(U.S. dollars in thousands)	2021		2022
b.     Accounts payable and accruals – other:
Payroll and related expenses	$	1,562	$	1,216
Interest payable		767		719
Provision for vacation		1,506		1,404
Accrued expenses		11,981		8,008
Royalties payable		522		781
Property and equipment suppliers		95		143
	$	16,433	$	12,271