Note 12 - Subsequent Events	6 Months Ended
Jun. 30, 2024
Notes to Financial Statements
Subsequent Events [Text Block]	Note 12. Subsequent Events On July 10, 2024, MyForest Foods Co. prepaid its outstanding principal balance of $3.8 million on its venture loan, plus interest, end-of-term payment and prepayment fee. The Company continues to hold warrants in MyForest Foods Co. On July 11, 2024, Lemongrass Holdings, Inc. prepaid its outstanding principal balance of $6.3 million on its venture loan, plus interest, end-of-term payment and prepayment fee. The Company continues to hold warrants in Lemongrass Holdings, Inc. On July 12, 2024, Slingshot Aerospace, Inc. prepaid its outstanding principal balance of $20.0 million on its venture loan, plus interest, end-of-term payment and prepayment fee. The Company continues to hold warrants in Slingshot Aerospace, Inc. On July 24, 2024, Nexiican Holdings Inc. and its affiliates (“Nexiican”) and Nexii Building Solutions Inc., and its affiliates (“Nexii”) closed an Asset Purchase Agreement dated as of June 21, 2024 and approved by the Supreme Court of British Columbia in Vancouver on June 28, 2024 pursuant to which Nexiican purchased substantially all of the assets of Nexii, in consideration for, among other things, Nexicaan’s assumption of a portion of Nexii’s obligations to the Company and its affiliate’s issuance of equity to the Company, which information the Company used to fair value its assets as of June 30, 2024 at $10.9 million. On July 30, 2024, the Company funded a $25.0 million debt investment to a new portfolio company, Hometeam Technologies, Inc.

Note 12 - Subsequent Events

6 Months Ended

Jun. 30, 2024

Note 12. Subsequent Events

On July 10, 2024, MyForest Foods Co. prepaid its outstanding principal balance of $3.8 million on its venture loan, plus interest, end-of-term payment and prepayment fee. The Company continues to hold warrants in MyForest Foods Co.

On July 11, 2024, Lemongrass Holdings, Inc. prepaid its outstanding principal balance of $6.3 million on its venture loan, plus interest, end-of-term payment and prepayment fee. The Company continues to hold warrants in Lemongrass Holdings, Inc.

On July 12, 2024, Slingshot Aerospace, Inc. prepaid its outstanding principal balance of $20.0 million on its venture loan, plus interest, end-of-term payment and prepayment fee. The Company continues to hold warrants in Slingshot Aerospace, Inc.

On July 24, 2024, Nexiican Holdings Inc. and its affiliates (“Nexiican”) and Nexii Building Solutions Inc., and its affiliates (“Nexii”) closed an Asset Purchase Agreement dated as of June 21, 2024 and approved by the Supreme Court of British Columbia in Vancouver on June 28, 2024 pursuant to which Nexiican purchased substantially all of the assets of Nexii, in consideration for, among other things, Nexicaan’s assumption of a portion of Nexii’s obligations to the Company and its affiliate’s issuance of equity to the Company, which information the Company used to fair value its assets as of June 30, 2024 at $10.9 million.

On July 30, 2024, the Company funded a $25.0 million debt investment to a new portfolio company, Hometeam Technologies, Inc.