Note 16 - Subsequent Event |
12 Months Ended |
|---|---|
Dec. 31, 2025 | |
| Notes to Financial Statements | |
| Subsequent Events [Text Block] |
16. Subsequent Event
On March 13, 2026, the third closing of the April 2025 Private Placement took place following the Company’s announcement of the enrollment of 35 patients in the Niyad NEPHRO CRRT study and the achievement of the target price milestone, which resulted in the issuance of: (i) 639,931 shares of common stock, at a price of $0.586 per share, and (ii) pre-funded warrants at a price of $0.585 per warrant to purchase up to an aggregate of 6,399,316 shares of common stock at an exercise price of $0.001 per share, and gross proceeds of $4.1 million. There are no additional shares of common stock and/or pre-funded warrants remaining to be sold in connection with the third closing of the April 2025 Private Placement. |