Quarterly report [Sections 13 or 15(d)]

Note 2 - Summary of Significant Accounting Policies - Reconciliation of Net Loss (Details)

v3.25.1
Note 2 - Summary of Significant Accounting Policies - Reconciliation of Net Loss (Details) - USD ($)
 3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Net loss $ (4,230,000) $ (5,260,000)
Preferred Dividends paid in shares of common stock (1,000) (4,000)
Net loss attributable to common stockholders $ (4,231,000) $ (5,264,000)