Annual report pursuant to Section 13 and 15(d)

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

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Note 2 - Summary of Significant Accounting Policies - Reconciliation of Net Loss (Details) - USD ($)
 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2023
Sep. 30, 2023
Dec. 31, 2023
Dec. 31, 2022
Net loss $ (9,430,000) $ (23,502,000) $ (30,330,000) $ (85,451,000)
Deemed dividend on Series AA Preferred Stock     (7,567,000) 0
Preferred Dividends paid in shares of common stock     (374,000) 0
Net loss attributable to common stockholders     $ (38,271,000) $ (85,451,000)