(in US$ thousands)

Foreign
currency items

Unrealized
gain (loss) on
securities

Pension and
post retirement
benefit plans

Accumulated
other
comprehensive
loss

Balance as of January 1, 2021

$

(21,956

)

$

(351

)

$

(94

)

$

(22,401

)

Foreign currency translation adjustment

203

—

—

203

Pension and post retirement benefit adjustment

—

—

14

14

Unrealized holding loss arising during period

—

(124

)

—

(124

)

Reclassification adjustment for loss included in net income

—

97

—

97

Other

—

(10

)

—

(10

)

Balance as of December 31, 2021

(21,753

)

(388

)

(80

)

(22,221

)

Foreign currency translation adjustment

(190

)

—

—

(190

)

Pension and post retirement benefit adjustment

—

—

76

76

Unrealized holding loss arising during period

—

620

—

620

Balance as of December 31, 2022

(21,943

)

232

(4

)

(21,715

)

Foreign currency translation adjustment

(144

)

15

—

(129

)

Pension and post retirement benefit adjustment

—

—

(11

)

(11

)

Unrealized holding loss arising during period

—

(1,453

)

—

(1,453

)

Reclassification adjustments for loss included in net income

(76

)

(76

)

Balance as of December 31, 2023

$

(22,087

)

$

(1,282

)

$

(15

)

$

(23,384

)