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Severance | 12 Months Ended
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Sep. 30, 2023
Restructuring and Related Activities [Abstract] |
Severance | 4. Seve rance We recorded severance expense of $0.7 million in 2023. This charge primarily relates to the retirement of our founder, Mr. J.S. Whang. The activity during 2021 is the result of staff reductions in our Semiconductor and Material and Substrate operations. The outstanding obligations as of and for the years ended September 30, 2023, 2022 and 2021 are as follows, in thousands:
|  | Years Ended September 30, |
|  | 2023 |  |  | 2022 |  |  | 2021 |
Balance at beginning of the year |  | $ | — |  |  | $ | 17 |  |  | $ | 102 |
Severance expense, net of adjustments |  |  | 665 |  |  |  | — |  |  |  | 86 |
Cash payments |  |  | (511 | ) |  |  | (17 | ) |  |  | (171 | )
Balance at the end of the year |  | $ | 154 |  |  | $ | — |  |  | $ | 17 |

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- Definition The entire disclosure for restructuring and related activities. Description of restructuring activities such as exit and disposal activities, include facts and circumstances leading to the plan, the expected plan completion date, the major types of costs associated with the plan activities, total expected costs, the accrual balance at the end of the period, and the periods over which the remaining accrual will be settled. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482017/420-10-50-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482017/420-10-50-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//420/tableOfContent Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482017/420-10-50-1 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(e)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479823/420-10-S99-2 + Details
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