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ACCUMULATED OTHER COMPREHENSIVE LOSS | 12 Months Ended
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Dec. 31, 2021
Equity [Abstract] |
ACCUMULATED OTHER COMPREHENSIVE LOSS | NOTE 14. ACCUMULATED OTHER COMPREHENSIVE LOSS The accumulated balances for each component of other comprehensive income (loss) are as follows:
(in US$ thousands) |  | Foreign currency items |  |  | Unrealized gain on securities |  |  | Pension and post retirement benefit plans |  |  | Accumulated other comprehensive loss |
Balance at January 1, 2019 |  | $ | (22,246 | ) |  | $ | — |  |  | $ | (86 | ) |  | $ | (22,332 | )
Foreign currency translation adjustment |  |  | 66 |  |  |  | — |  |  |  | — |  |  |  | 66 |
Pension and post retirement benefit adjustment |  |  | — |  |  |  | — |  |  |  | 20 |  |  |  | 20 |
Balance at December 31, 2019 |  |  | (22,180 | ) |  |  | — |  |  |  | (66 | ) |  |  | (22,246 | )
Foreign currency translation adjustment |  |  | 224 |  |  |  | — |  |  |  | — |  |  |  | 224 |
Pension and post retirement benefit adjustment |  |  | — |  |  |  | — |  |  |  | (28 | ) |  |  | (28 | )
Unrealized holding loss arising during period |  |  | — |  |  |  | (351 | ) |  |  | — |  |  |  | (351 | )
Balance at December 31, 2020 |  |  | (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 at December 31, 2021 |  | $ | (21,753 | ) |  | $ | (388 | ) |  | $ | (80 | ) |  | $ | (22,221 | )
There were no significant tax effects allocated to each component of other comprehensive income for the years ended December 31, 2019, 2020 and 2021.

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- Definition The entire disclosure for comprehensive income, which includes, but is not limited to, 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -URI http://asc.fasb.org/topic&trid=2134417 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(21)) -URI http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(23)) -URI http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(19)) -URI http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263 + Details
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