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Subsequent Events	12 Months Ended
	Dec. 31, 2021
Subsequent Events
Subsequent Events	Note 15. Subsequent Events In January 2022, pursuant to the terms of the Settlement Agreement, Ivantis made its second $30.0 million cash payment to the Company, which was to be paid by the earlier of (i) December 31, 2022, or (ii) 30 days after the consummation of the sale to a third party of all or substantially all of Ivantis’ equity or assets such that the third-party controls Ivantis.

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No definition available.

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- Definition

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-URI http://asc.fasb.org/topic&trid=2122774

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662

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