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

Capital Stock - Rights Offering 2018 (Details)

v3.20.4

Capital Stock - Rights Offering 2018 (Details) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Nov. 19, 2018
Sale of stock
Stock issuance costs		$ 1,945	$ 388
Preferred stock, stated value (in dollars per share)		$ 0.05	$ 0.05
Common Stock
Sale of stock
Total number of shares issued			1,000,000
2018 Rights Offering
Sale of stock
Rights offering amount					$ 20,000
Aggregate gross proceeds from issuance of common stock and preferred stock	$ 20,000
Stock issuance costs	300
Net proceeds from issuance of stock	$ 19,700
Percentage of convertible preferred stock conversion blocker provision			19.99%
Notice term of conversion blocker			61 days
2018 Rights Offering \| Series Y Convertible Preferred Stock
Sale of stock
Total number of shares issued	1,252.772			1,252.772
Preferred stock, stated value (in dollars per share)	$ 13,000			$ 13,000
Number of shares issued for each share of convertible preferred stock that is converted	1,000			1,000
Preferred stock conversion price per share	$ 13.00			$ 13.00
Total number of shares of common stock issuable upon conversion	1,252,772			1,252,772
Percentage of convertible preferred stock conversion blocker provision	19.99%
2018 Rights Offering \| Common Stock
Sale of stock
Total number of shares issued	285,689

- Definition

Number of shares issued for each share of convertible preferred stock that is converted.

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- Definition

The cash outflow for cost incurred directly with the issuance of an equity security.

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Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.

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The cash inflow from the issuance of common stock, preferred stock, treasury stock, stock options, and other types of equity.

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Number of new stock issued during the period.

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- Definition

Threshold percentage of beneficially owned shares of common stock preventing holder from converting preferred stock.

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- Definition

Preferred stock conversion price per share.

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- Definition

Maximum amount to be raised in rights offering.

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