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Note 4 - Common Stock | 6 Months Ended
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Jun. 30, 2025
Notes to Financial Statements |
Equity [Text Block] | 4. Common Stock Minimum Bid Price Requirement and Reverse Stock Split On December 27, 2023, the Company received a notice from the Nasdaq Stock Market ("Nasdaq") that the Company was not in compliance with the $1.00 minimum bid price requirement for continued listing, as set forth in Nasdaq Listing Rule 5550(a)(2) (the "Minimum Bid Price Requirement"), as the closing bid price of the Company’s Common Stock had been below $1.00 per share for more than thirty (30) consecutive business days as of the date of that notice. The Company undertook the Reverse Stock Split to enable the Company to regain compliance with the Minimum Bid Price Requirement. On April 29, 2024, the Company received notice from Nasdaq that it had regained compliance with the Minimum Bid Price Requirement, and the matter is now closed. On November 26, 2024, the Company received a notice from Nasdaq that the Company’s Common Stock did not meet the $1.00 minimum bid price requirement pursuant to the Minimum Bid Price Requirement, and in accordance with Nasdaq Listing Rule 5810(c)(3)(A), the Company was provided an initial compliance period of 180 calendar days, or until May 26, 2025, to regain compliance with the Minimum Bid Price Requirement. On January 8, 2025, the Company received written notification from Nasdaq indicating that the Company’s Common Stock had a closing price at or greater than $1.00 per share for the last 10 consecutive business days, from December 23, 2024 to January 7, 2025, and that, as a result, the Company has regained compliance with the Minimum Bid Price Requirement and the matter is now closed. On June 23, 2025, the Company received a notice from Nasdaq that the Company’s Common Stock did not meet the $1.00 minimum bid price requirement pursuant to the Minimum Bid Price Requirement, and in accordance with Nasdaq Listing Rule 5810(c)(3)(A), the Company was provided an initial compliance period of 180 calendar days, or until December 22, 2025, to regain compliance with the Minimum Bid Price Requirement. May 2024 Registered Direct Offering & Private Placement On May 10, 2024, the Company entered into a securities purchase agreement (the “May 2024 Purchase Agreement”) with certain institutional and accredited investors (the “May 2024 Purchasers”) relating to the registered direct offering and sale of an aggregate of 1,065,000 shares of the Company’s Common Stock at an offering price of $2.15 per share of Common Stock and pre-funded warrants ( “May 2024 Pre-Funded Warrants”) to purchase up to 845,000 shares of Common Stock (the “May 2024 Registered Direct Offering”). The May 2024 Pre-Funded Warrants were purchased at a price of $2.149 per underlying share and had an exercise price of $0.001 per share and could be exercised at any time after their original issuance until such May 2024 Pre-Funded Warrants were exercised in full. The shares of Common Stock and May 2024 Pre-Funded Warrants (including the shares of Common Stock underlying the warrants) were offered by the Company pursuant to a prospectus supplement dated May 10, 2024, and accompanying prospectus dated May 12, 2022, in connection with a takedown from the Company’s shelf registration statement on Form S-3 (File No. 333-264667), which was declared effective by the SEC on May 12, 2022. In a private placement on May 14, 2024, concurrent with the May 2024 Registered Direct Offering, the Company also sold to the May 2024 Purchasers unregistered warrants (the “May 2024 Common Warrants”) to purchase up to an aggregate of 1,910,000 shares of Common Stock (the “May 2024 Private Placement”). Each unregistered May 2024 Common Warrant has an exercise price of $2.34 per share, is exercisable at any time beginning November 14, 2024 and will expire November 14, 2029. Both the May 2024 Registered Direct Offering and the May 2024 Private Placement closed on May 14, 2024. Roth Capital Partners, LLC (“Roth”) acted as the exclusive placement agent for the May 2024 Registered Direct Offering and the May 2024 Private Placement pursuant to a placement agency agreement (the “Placement Agency Agreement”) dated May 10, 2024, by and between the Company and Roth, and a related engagement letter with Roth. Pursuant to the Placement Agency Agreement, on May 14, 2024 the Company issued to Roth warrants to purchase up to 133,700 shares of Common Stock (the “May 2024 Placement Agent Warrants”), which represented 7.0% of the aggregate number of shares of Common Stock and May 2024 Pre-Funded Warrants sold in the May 2024 Registered Direct Offering. The May 2024 Placement Agent Warrants are exercisable at any time beginning November 14, 2024, have an exercise price equal to $2.86, and expire November 16, 2026. The shares of Common Stock underlying the May 2024 Common Warrants and the May 2024 Placement Agent Warrants (collectively referred to herein as the “May 2024 Warrants”) were registered on a registration statement on Form S-1 (File No. 333-280542) filed with the SEC on June 27, 2024, which was declared effective by the SEC on July 10, 2024. Shares of Common Stock issued by the Company upon exercise of the May 2024 Warrants may be resold by the holders pursuant to the prospectus dated July 11, 2024. The filings made by the Company in connection with the potential resale of the Common Stock underlying the May 2024 Warrants were filed within the time period agreed by the parties in the Purchase Agreement. The net cash proceeds to the Company, after deducting offering related expenses was $3.4 million. The May 2024 Pre-Funded Warrants, May 2024 Common Warrants, and May 2024 Placement Agent Warrants were all assessed and recorded as equity instruments. During the third quarter of 2024, all 845,000 May 2024 Pre-Funded Warrants from the May 2024 Registered Direct Offering and May 2024 Private Placement were exercised on a cashless basis resulting in the issuance of 844,061 shares of Common Stock. October 2024 Registered Direct Offering and Private Placement On October 3, 2024, the Company announced its completion of two securities offerings raising aggregate gross proceeds of $6.9 million: a registered direct offering of 3,321,881 registered shares of Common Stock and concurrent private placement of unregistered warrants exercisable for an equal number of shares of Common Stock (collectively, the “October 2024 RDO”) for gross proceeds of approximately $3.9 million, including $0.2 million from a related party, and an unregistered private placement transaction of 2,575,107 shares of Common Stock and warrants exercisable for an equal number of shares of Common Stock with William W. Smith Jr., the Company's Chief Executive Officer, a related party, who participated in the private placement through a trust for which he serves as co-trustee (the “October 2024 Private Placement”), for gross proceeds of approximately $3.0 million. Both offerings were approved by an independent special committee of the Company's Board of Directors and were priced based on the market value of the offered securities, at a purchase price of $1.165 per share of Common Stock with a warrant exercise price of $1.04 per share of Common Stock. Each of the warrants issued in the October 2024 offerings was initially exercisable at any time beginning six months following its original issuance and expires five and one-half years from the initial issuance of the warrant. In January 2025, at the request of certain holders of the warrants issued in the October 2024 RDO, the Company provided all of the October 2024 RDO warrant holders the opportunity to amend their warrants to adjust the start of the warrant exercise period to January 9, 2025, and as a result a portion of the warrants issued in connection with the October 2024 RDO were so amended. No other terms were changed as a result of that amendment to certain of the warrants. In addition, concurrent with the offerings, the Company issued to Roth a warrant to purchase up to 20,000 shares of the Company’s Common Stock (the “Roth Warrant”), which has substantially the same terms as the warrants issued in the registered offering, except that the Roth Warrant has an exercise price of $1.46 per share of Common Stock and will expire two-and-a-half years from the effective date of the October registered offering. On October 21, 2024, the Company filed a definitive proxy statement for a Special Meeting of Stockholders to approve the issuance of the number of shares of the Company’s Common Stock that would cause William W. Smith, Jr. to beneficially own twenty percent or more of the Company, through the exercise of the warrants purchased in the unregistered private placement transaction. The shareholders approved this proposal on December 10, 2024. On October 28, 2024, the Company filed a registration statement with the SEC (File No. 333-282858) registering the resale of the shares of stock issued in the October 2024 Private Placement and the shares of common stock issuable upon exercise of the warrants issued in the October 2024 RDO and the October 2024 Private Placement. This registration statement was declared effective by the SEC on November 8, 2024. The net cash proceeds to the Company from both offerings, after deducting offering related expenses was $6.6 million. All warrants associated with these transactions were assessed and recorded as equity instruments.

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