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Note 15 - Subsequent Events | 12 Months Ended
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Dec. 31, 2023
Notes to Financial Statements |
Subsequent Events [Text Block] | 15. SUBSEQUENT EVENTS The Company evaluated subsequent events and transactions that occurred after the balance sheet date through the date the financial statements were issued. Based upon this review, except as disclosed below, the Company did not identify any subsequent events that would have required adjustment or disclosure in the financial statements other than disclosed below. On December 31, 2023, our investments in Conduit's common stock ("CDT") and common stock warrants ("CDTTW") presented on the consolidated balance sheets were measured at fair value using Level 1 market prices, which closed at $4.55 per share and $0.069 per warrant. As of April 12, 2024, CDT and CDTTW closed at $3.18 per share and $0.08 per warrant, respectively.

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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 -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 + Details
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