Note 10 - Leases

The components of operating lease cost for the year ended December 31, 2021, 2022 and 2023 were as follows:

	Year ended December 31
	2021		2022		2023
	US$ thousands
Operating lease costs (mainly plant and offices)		1,921		1,872		1,799
Variable lease payments not included in the lease liability		8		62		103
Short-term lease cost		278		273		248
Total operating lease cost		2,207		2,207		2,150

Supplemental cash flow information related to operating leases was as follows:

	Year ended December 31
	2021		2022		2023
	US$ thousands
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases		1,887		1,847		1,662
Right-of-use assets obtained in exchange for lease liabilities (non-cash):
Additions of operating leases		451		1,269		388
Termination of operating leases		-		-		(620	)

Supplemental balance sheet information related to operating leases was as follows:

	December 31
	2022		2023
	US$ thousands
Operating leases:
Operating leases right-of-use		8,441		6,466

Current operating lease liabilities		1,549		2,070
Non-current operating lease liabilities		6,291		3,877
Total operating lease liabilities		7,840		5,947

	December 31
	2022			2023
	US$ thousands

Weighted average remaining lease term (years)		7.7			5.8

Weighted average discount rate		2.9	%		2.3	%

Future lease payments under non-cancellable leases as of December 31, 2023 were as follows:

	December 31, 2023
	US$ thousands

2024		1,346
2025		1,100
2026		981
2027		797
2028		771
After 2028		1,413
Total operating lease payments		6,408
Less: imputed interest		(461	)
Present value of lease liabilities		5,947