Note 3 - Net Loss Per Common Stock Share (Details Textual) - USD ($) |
1 Months Ended | 3 Months Ended | 9 Months Ended | ||||||
---|---|---|---|---|---|---|---|---|---|
Mar. 28, 2024 |
Jul. 18, 2023 |
Apr. 02, 2023 |
Sep. 30, 2024 |
Jun. 30, 2024 |
Mar. 31, 2024 |
Sep. 30, 2024 |
Sep. 30, 2024 |
Sep. 30, 2023 |
|
Exchange Agreement, Senior Secured Convertible Promissory Note for Preferred Shares [Member] | |||||||||
Debt Conversion, Original Debt, Amount | $ 8 | $ 6 | $ 8 | $ 7,200,000 | $ 8 | $ 2,400,000 | $ 17,600,000 | $ 14,000,000 | |
Debt Conversion, Converted Instrument, Shares Issued (in shares) | 8,837.58 | 8,000 | 2,997 | ||||||
Debt Conversion, Original Accrued Interest, Amount | $ 1,630,000 | $ 0.59 | |||||||
Debt Conversion, Original Debt and Accrued Interest, Amount | $ 3 | $ 8.8 | $ 3 | ||||||
Restricted Stock Units (RSUs) [Member] | |||||||||
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) | 56,239 | ||||||||
Warrant [Member] | |||||||||
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) | 15,416 |