XML 35 R25.htm IDEA: XBRL DOCUMENT
v3.20.2

Long-Term Debt and Other Financings (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2020
Long-Term Debt and Other Financings |
Aggregate Future Principal, Final Payment Fees and Discounts of Long-Term Debt | Aggregate future principal, final payment fees and discounts of the Company’s long-term debt as of June 30, 2020, are as follows (in thousands): ​
​ | ​ | ​ | ​
2020 (excluding six months ended June 30, 2020) | ​ | $ | 3,750
2021 | ​ | ​ | 8,534
2022 | ​ | ​ | 21,200
Thereafter | ​ | ​ | —
Total payments | ​ | ​ | 33,484
Less: interest, final payment fees, discount and issuance costs | ​ | ​ | (2,391)
Total payments, net of interest, final payment fees, discount and issuance costs | ​ | ​ | 31,093
Less: current portion of long-term debt | ​ | ​ | (7,596)
Long-term debt |  | $ | 23,497
Interest Expense and Amortization of Debt Issuance Costs and Discounts | Amortization of debt issuance costs and discounts are included in interest expense. Interest expense in the condensed consolidated statements of operations and comprehensive loss relates to the following debt instruments (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended June 30, | ​ | Six Months Ended June 30,
​ |  | 2020 |  | 2019 |  | 2020 |  | 2019
SVB loans | ​ | $ | 356 | ​ | $ | 236 | ​ | $ | 739 | ​ | $ | 477
Novartis note | ​ |  | 151 | ​ |  | 186 | ​ |  | 309 | ​ |  | 372
Other | ​ |  | 1 | ​ |  | 1 | ​ |  | 2 | ​ |  | 3
Total interest expense | ​ | $ | 508 | ​ | $ | 423 | ​ | $ | 1,050 | ​ | $ | 852

X
- References No definition available. + Details
Name: | us-gaap_DebtDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the combined aggregate amount of maturities and sinking fund requirements for all long-term borrowings for each of the five years following the date of the latest balance sheet date presented. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
Name: | us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of aggregate amount of interest expense and the amortization of debt issuance costs and discounts on all borrowings. + References No definition available. + Details
Name: | xoma_InterestExpenseAndAmortizationOfDebtIssuanceCostsAndDiscountsTableTextBlock
Namespace Prefix: | xoma_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration