v3.26.3
Note 16 - Warrants - Schedule of Warrants Outstanding (Details) - $ / shares
 6 Months Ended 12 Months Ended
Dec. 31, 2024
Jun. 30, 2026
Jun. 30, 2025
Outstanding, balance (in shares)   12,630,098  
December 2020 Warrants [Member]      
Outstanding, balance (in shares) [1]   122,092  
Outstanding, weighted average exercise price (in dollars per share) [1]   $ 8.6  
Outstanding, weighted average remaining contractual term (Year) [1],[2]   7 months 6 days  
Pre-Funded Warrants [Member]      
Outstanding, balance (in shares)   8,808,983 10,293,983
Outstanding, weighted average exercise price (in dollars per share)     $ 0.0001
Outstanding, balance (in shares)   10,293,983  
Outstanding, weighted average exercise price (in dollars per share)   $ 0.0001  
Warrants exercised (in shares) (176,000) (1,485,000) [3]  
Warrants exercised, weighted average exercise price (in dollars per share) $ 0.0001 $ 0.0001  
Pre-Funded Warrants [Member] | Weighted Average [Member]      
Outstanding, weighted average exercise price (in dollars per share)   0.0001 $ 0.0001
Outstanding, weighted average exercise price (in dollars per share)   0.0001  
Warrants exercised, weighted average exercise price (in dollars per share) [3]   $ 0.0001  
January 2022 Warrants [Member]      
Outstanding, balance (in shares) [1]   333,300  
Outstanding, weighted average exercise price (in dollars per share) [1]   $ 26  
Outstanding, weighted average remaining contractual term (Year) [1],[2]   1 year 2 months 12 days  
March 2022 Warrants [Member]      
Outstanding, balance (in shares) [1]   1,191,811  
Outstanding, weighted average exercise price (in dollars per share) [1]   $ 2.32  
Outstanding, weighted average remaining contractual term (Year) [1],[2]   1 year 1 month 6 days  
Warrants, Excluding Prefunded Warrants [Member]      
Outstanding, balance (in shares)   3,821,115 [4] 3,836,686 [5]
Outstanding, weighted average remaining contractual term (Year)   1 year 7 months 6 days [4] 2 years 7 months 6 days [5]
Outstanding, balance (in shares) [5]   3,836,686  
Equity classified warrants expired (in shares)   (15,571)  
Warrants, Excluding Prefunded Warrants [Member] | Weighted Average [Member]      
Outstanding, weighted average exercise price (in dollars per share)   $ 4.17 [4] $ 4.76 [5]
Outstanding, weighted average exercise price (in dollars per share) [5]   $ 4.76  
June 2023 Tranche A Warrants [Member]      
Outstanding, balance (in shares) [6]   543,478  
Outstanding, weighted average exercise price (in dollars per share) [6]   $ 1.59  
Outstanding, weighted average remaining contractual term (Year) [2],[6]   2 years  
Amended 2023 Tranche A Warrants [Member]      
Outstanding, balance (in shares) [6]   1,630,434  
Outstanding, weighted average exercise price (in dollars per share) [6]   $ 1.59  
Outstanding, weighted average remaining contractual term (Year) [2]   2 years  
Amended 2023 Prefunded Warrants [Member]      
Outstanding, balance (in shares) [7]   2,060,651  
Outstanding, weighted average exercise price (in dollars per share) [7]   $ 0.0001  
Amended 2025 Prefunded Warrants [Member]      
Outstanding, balance (in shares) [8]   6,748,332  
Outstanding, weighted average exercise price (in dollars per share) [8]   $ 0.0001  
[1] Each of these warrants is exercisable at any time for one share of the Company’s common stock on a one-for-one basis under the terms of the agreements between the Company and the investors.
[2] None of the Company’s outstanding prefunded warrants has an expiration date.
[3] During fiscal 2026, a total of 1,485,000 of the June 2025 Prefunded Warrants were exercised to 1,485,000 shares of common stock. See Note 12 - Fair Value Measurements for further detail.
[4] The number of warrants, excluding prefunded warrants, outstanding as of June 30, 2026, is comprised of 2,190,681 liability classified warrants and 1,630,434 equity classified warrants.
[5] The number of warrants, excluding prefunded warrants, outstanding as of June 30, 2025, is comprised of 3,821,115 liability classified warrants and 15,571 equity classified warrants.
[6] In June 2023, the Company issued these tranche A warrants to purchase 2,173,912 shares of common stock (the “Tranche A Warrants”), which may be exercised on a one-for-one basis at any time subject to certain limitations as defined in the agreements between the Company and the investors, for either shares of common stock at an exercise price of $1.59 per share or for prefunded warrants at an exercise price of $1.5899 per prefunded warrant to purchase common stock at a future exercise price of $0.0001 per share. The June 2023 Tranche A Warrants will expire upon the earlier of June 2028 or 30 days following the closing price of the Company’s common stock equaling 200% of the exercise price ($3.18 per share) for at least 40 consecutive trading days. As discussed above, on March 31, 2026, a total of 1,630,434 of the June 2023 Tranche A Warrants were canceled and issued to the Investors, as applicable, as Amended 2023 Tranche A Warrants, which resulted in their reclassification from liability classified to equity classified. A total of 543,478 of the June 2023 Tranche A Warrants were not amended and thus remain liability classified.
[7] As discussed above, on March 31, 2026, a total of 2,060,651 prefunded warrants related to the Company's public equity offering completed in June 2023 were canceled and issued to the Investors, as applicable, as Amended 2023 Prefunded Warrants, which resulted in their reclassification from liability classified to equity classified. Each of these Amended 2023 Prefunded Warrants is exercisable at any time for one share of the Company’s common stock on a one-for-one basis under the terms of the agreements between the Company and the Investors.
[8] In June 2025, the Company raised gross proceeds of $16.6 million from the issuance of the June 2025 Common Stock and the June 2025 Prefunded Warrants. The June 2025 Prefunded Warrants had a fair value of approximately $12.3 million at issuance and were originally classified as derivative warrant liabilities. There was $1.3 million of issuance costs allocated to the June 2025 Prefunded Warrants. The June 2025 Prefunded Warrants were able to be exercised on a one-for-one basis at any time subject to certain limitations as defined in the agreements between the Company and the Investors. During fiscal 2026 a total of 1,485,000 of the June 2025 Prefunded Warrants were exercised to 1,485,000 shares of common stock. See Note 12 - Fair Value Measurements and Note 14 - Stockholders’ Equity for further detail. As discussed above, on March 31, 2026, all of the remaining June 2025 Prefunded Warrants were canceled and issued to the Investors, as applicable, as Amended 2025 Prefunded Warrants, which resulted in their reclassification from liability classified to equity classified. Each of the Amended 2025 Prefunded Warrants is exercisable at any time for one share of the Company’s common stock on a one-for-one basis under the terms of the agreements between the Company and the Investors.