Note 11 - Subsequent Event	3 Months Ended
Mar. 31, 2023
Notes to Financial Statements
Subsequent Events [Text Block]	11. Subsequent Event During April 2023, the Company funded an additional $3.0 million to Prognos Health, Inc. The Company had previously deployed an aggregate of $14.6 million. Prognos is a healthcare platform company transforming the ability to access, manage and analyze healthcare data in partnership with life sciences brands, payers, and clinical diagnostics organizations. Prognos’ innovations enhance the value of laboratory results and clinical diagnostic data through advanced analytics and artificial intelligence techniques.

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.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 855
-Name Accounting Standards Codification
-Publisher FASB
-URI https://asc.fasb.org//855/tableOfContent

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 855
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483399/855-10-50-2

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