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Stock-Based Compensation - Summary of weighted-average assumptions used to calculate estimated value of stock options (Parenthetical) (Details) - $ / shares | 3 Months Ended
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Sep. 30, 2022 | Mar. 31, 2022
Stock options | Innoviva [Member] |  |  |
Valuation Assumptions |  |  |
Weighted-average estimated fair value of stock options granted | $ 0 | [1] | $ 0
[1] | There were no options granted for the three months ended September 30, 2022.

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- Definition The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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