XOMA Corporation Annual report pursuant to Section 13 and 15(d)

Annual report pursuant to Section 13 and 15(d)

Cover
- Document and Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Basis of Presentation and Significant Accounting Policies (Policies)
Notes Tables
Notes Details

Long-Term Debt and Other Financings - Hercules Term Loan - Additional Information (Details)

v3.3.1.900

Long-Term Debt and Other Financings - Hercules Term Loan - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands		12 Months Ended
	Feb. 27, 2015	Dec. 31, 2015	Dec. 31, 2014
Debt Instrument [Line Items]
Carrying value of the loan		$ 48,667	$ 35,308
Hercules Loan [Member]
Debt Instrument [Line Items]
Maturity date	Sep. 01, 2018
Variable rate basis		The Hercules Term Loan has a variable interest rate that is the greater of either (i) 9.40% plus the prime rate as reported from time to time in The Wall Street Journal minus 7.25%, or (ii) 9.40%
Period of principal and interest amortized	30 months
Amortization of interest payments period end date	Jul. 01, 2016
Period of interest	1 month
Prepayment fee within twelve months of maturity	3.00%
Prepayment fee after twelve months but before twenty four months of maturity	2.00%
Prepayment fee after twenty four months of maturity	1.00%
Additional interest rate in case of default	5.00%
Debt issuance costs	$ 500
Final payment fee	$ 1,200
Amortization of debt discount		$ 500
Aggregate number of unregistered shares of common stock called by warrants (in shares)	181,268
Exercise price of warrants (in dollars per share)	$ 3.31
Estimated fair value of warrants	$ 500
Exercisable period of warrants	5 years
Warrants expiration period	2020-02
Outstanding principal balance		20,000
Carrying value of the loan		$ 19,700
Hercules Loan [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Percentage bearing variable rate		9.40%
Prime Rate [Member] \| Hercules Loan [Member]
Debt Instrument [Line Items]
Basis spread, addition		9.40%
Basis spread, subtraction		7.25%

- Definition

Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense.

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Exercise price per share or per unit of warrants or rights outstanding.

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Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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Amount of long-term debt before deduction of unamortized discount or premium. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, with initial maturities beyond one year or the normal operating cycle, if longer.

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The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of debt issuance costs (for example, but not limited to, legal, accounting, broker, and regulatory fees).

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Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a rate subject to change from time to time.

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Fair value portion of warrants not settleable in cash classified as equity.

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Represents additional interest rate in case of default.

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Amortization of interest payments period end date.

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- Definition

The month and year (YYYY-MM) in which the warrants or rights expire.

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Represents the exercisable period for warrants beginning on the date of issuance and ending on the earlier to occurrence.

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The amount of final payment fee due on maturity of the loan.

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Represents the period of interest prior to the amortization date.

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Represents period of principal and interest amortization.

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Represents prepayment fee charge after one year but before two year of maturity.

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Represents prepayment fee after two years of maturity.

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Represents the prepayment fee based on the amount paid.

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Reduction of percentage of interest under loan agreement.

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