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Note 7 - Stockholders' Equity and Equity-linked Instruments (Details Textual) |  |  |  |  |  |  |  | 1 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended |  |  |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Oct. 24, 2024 USD ($) $ / shares | Sep. 12, 2023 USD ($) $ / shares shares | Sep. 07, 2023 | Aug. 23, 2023 USD ($) $ / shares shares | Aug. 21, 2023 $ / shares shares | May 01, 2023 shares | Apr. 30, 2023 shares | Jan. 31, 2025 shares | Sep. 30, 2024 USD ($) $ / shares shares | Jul. 31, 2024 USD ($) shares | Jun. 30, 2024 USD ($) shares | Dec. 31, 2023 USD ($) $ / shares shares | Dec. 31, 2024 USD ($) $ / shares shares | Sep. 30, 2024 USD ($) $ / shares shares | Jun. 30, 2024 USD ($) shares | Sep. 30, 2024 $ / shares shares | Dec. 31, 2024 USD ($) $ / shares shares | Dec. 31, 2023 USD ($) $ / shares shares | Oct. 04, 2024 shares | Aug. 31, 2024 shares | Jun. 04, 2024 | May 31, 2024 shares | Dec. 22, 2023 | Nov. 30, 2023 shares | May 30, 2023 $ / shares | May 29, 2023 shares
Percentage of Voters For Quorum at Business Meeting |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 33.33% |  |  |  |  |
Preferred Stock, Shares Authorized (in shares) |  |  |  |  |  |  |  |  |  |  |  |  | 10,000,000 | 10,000,000 |  |  |  | 10,000,000 | 10,000,000 |  |  |  |  |  |  |  |  | 5,000,000
Preferred Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.001 | $ 0.001 |  |  |  | $ 0.001 | $ 0.001 |  |  |  |  |  |  |  |  |
Total Capital, Shares Authorized |  |  |  |  |  |  |  |  |  |  |  |  |  | 110,000,000 |  |  |  | 110,000,000 |  |  |  |  |  |  |  |  |  |
Common Stock, Shares Authorized (in shares) |  |  |  |  |  |  |  |  |  |  |  |  | 400,000,000 | 400,000,000 |  |  |  | 400,000,000 | 400,000,000 |  |  |  |  |  |  |  |  | 100,000,000
Common Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.001 | $ 0.001 |  |  |  | $ 0.001 | $ 0.001 |  |  |  |  |  |  |  | $ 0.001 |
Preferred Stock, Stated Value | $ |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,000 |  |  |  | $ 1,000 |  |  |  |  |  |  |  |  |  |
Preferred Stock, Shares Outstanding (in shares) |  |  |  |  |  |  |  |  |  |  |  |  | 23,656 | 17,499 |  |  |  | 17,499 | 23,656 |  |  |  |  |  |  |  |  |
Deemed Dividend on Preferred Stock | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ (0) | $ 7,567,000 |  |  |  |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues |  |  |  |  |  |  |  |  | 262,501 |  |  |  |  |  |  |  |  | 262,501 |  |  |  |  |  |  |  |  |  |
Common Stock Dividends, Shares |  |  |  |  |  |  |  |  |  |  | 1,168,493 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair Value Shares Issued | $ |  |  |  |  |  |  |  |  |  |  | $ 1,589,000 |  |  |  |  |  |  | $ 4,386,000 | 374,000 | [1] |  |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares) |  |  |  |  |  |  | 63,900 | 305,000 |  |  |  |  |  |  |  |  |  | 20,000 |  |  |  |  |  |  |  |  |  |
Proceeds From Issuance of Common Stock, Net of Issuance Costs | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,000,000 | $ 1,885,000 |  |  |  |  |  |  |  |  |
Measurement Input, Risk Free Interest Rate [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants and Rights Outstanding, Measurement Input |  |  |  |  |  |  |  |  |  |  |  |  | 0.0384 |  |  |  |  |  | 0.0384 |  |  |  |  |  |  |  |  |
Measurement Input, Price Volatility [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants and Rights Outstanding, Measurement Input |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.01 |  |  |  | 1.01 |  |  |  |  |  |  | 0.98 |  |  |
Conversion of Series A and AA to Series AAA [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Conversion of Stock, Shares Converted |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 6,367 |  |  |  |  |  |  |  |  |  |  |
Converted to Common stock (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 6,367 |  |  |  |  |  |  |  |  |  |  |
Minimum [Member] | Measurement Input, Risk Free Interest Rate [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants and Rights Outstanding, Measurement Input |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.0427 |  |  |  | 0.0427 |  |  |  |  |  |  |  |  |  |
Minimum [Member] | Measurement Input, Expected Term [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants and Rights Outstanding, Measurement Input |  |  |  |  |  |  |  |  |  |  |  |  | 4.5 | 2.71 |  |  |  | 2.71 | 4.5 |  |  |  |  |  |  |  |  |
Maximum [Member] | Measurement Input, Risk Free Interest Rate [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants and Rights Outstanding, Measurement Input |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.0438 |  |  |  | 0.0438 |  |  |  |  |  |  |  |  |  |
Maximum [Member] | Measurement Input, Expected Term [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants and Rights Outstanding, Measurement Input |  |  |  |  |  |  |  |  |  |  |  |  | 5 | 4.74 |  |  |  | 4.74 | 5 |  |  |  |  |  |  |  |  |
Series AAA-3 & AAA-4 Junior Subscription Agreements [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues |  |  |  |  |  |  |  |  |  | 1,096 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Issuance or Sale of Equity | $ |  |  |  |  |  |  |  |  |  | $ 1,096,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividend Acceleration Agreements [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues |  |  |  |  |  |  |  |  |  |  |  |  | 114,452 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Value, New Issues | $ |  |  |  |  |  |  |  |  |  |  |  |  | $ 174,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Registered Direct Offering [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares |  | $ 0.001 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares Issued, Price Per Share (in dollars per share) | $ / shares |  | $ 0.88 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common Stock, Maximum Shares Sold (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,136,364 |  |  |  |  |  |  |
Proceeds from Issuance of Common Stock | $ |  | $ 1,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Underwriting Agreement [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues |  |  |  |  |  | 778,653 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares Issued, Price Per Share (in dollars per share) | $ / shares |  |  |  |  | $ 2.6 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds, Issuance of Shares, Share-Based Payment Arrangement, Including Option Exercised | $ |  |  | $ 84,800 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds From Issuance of Common Stock, Net of Issuance Costs | $ |  |  |  |  | $ 1,800,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Over-Allotment Option [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues |  |  | 32,616 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares Issued, Price Per Share (in dollars per share) | $ / shares |  |  | $ 2.6 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Option, Period |  |  |  |  |  | 45 days |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares) |  |  |  |  |  | 126,923 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Series A A Preferred Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred Stock, Shares Outstanding (in shares) |  |  |  |  | 10,706 |  |  |  |  |  |  |  |  | 3,699 |  |  |  | 3,699 |  |  |  |  |  |  |  | 7,322 |  |
Preferred Stock, Convertible, Conversion Price | $ / shares |  |  |  |  | $ 2.6 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deemed Dividend on Preferred Stock | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 6,446,000 |  |  |  |  |  |  |  |  |  |
Fair Value Shares Issued | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 216,000 | $ 661,000 |  |  |  |  |  |  |  |  |  |  |  |
Preferred Stock, Extension Period of Exercise |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 6 months |  |  |  |  |  |  |  |  |  |
Series A A Preferred Stock [Member] | Subscription Agreements [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.001 |  |  |  | $ 0.001 |  |  |  |  |  |  |  |  |  |
Preferred Stock, Convertible, Conversion Price | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2.12 |  |  |  | $ 2.12 |  |  |  |  |  |  |  |  |  |
Preferred Stock, Period After Registration Agreement for Conversion |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 18 months |  |  |  |  |  |  |  |  |  |
Rights To Purchase, Number Of Preferred Stocks (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  | 17,832 |  |  |  | 17,832 |  |  |  |  |  |  |  |  |  |
Preferred Stock, Convertible, Shares Issuable (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  | 8,414,537 |  |  |  | 8,414,537 |  |  |  |  |  |  |  |  |  |
Series AAA-3 Junior Preferred Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred Stock, Shares Outstanding (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  | 697 |  |  |  | 697 |  |  |  |  |  |  |  |  |  |
Series AAA-3 Junior Preferred Stock [Member] | Series AAA-3 & AAA-4 Junior Subscription Agreements [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues |  |  |  |  |  |  |  |  |  |  |  |  | 4,011 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Series AAA-4 Junior Preferred Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred Stock, Shares Outstanding (in shares) | [2],[3],[4],[5],[6],[7] |  |  |  |  |  |  |  |  |  |  |  |  | 399 |  |  |  | 399 |  |  |  |  |  |  |  |  |  |
Series AAA-4 Junior Preferred Stock [Member] | Series AAA-3 & AAA-4 Junior Subscription Agreements [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,356 |  |  |  |  |  |  |  |  |  |
Series A Preferred Offerings [Member] | Subscription Agreements [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred Stock, Stated Value | $ |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,000 |  |  |  | $ 1,000 |  |  |  |  |  |  |  |  |  |
Preferred Stock, Conversion Period With Discretion |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 year |  |  |  |  |  |  |  |  |  |
Preferred Stock, Beneficial Ownership Limitations, Percentage of Outstanding Shares Required to be Converted When Common Stock Volume-weighted Average Price Over Previous 10 Days as Reported Equals More Than 250% of Conversion Price |  |  |  |  |  |  |  |  |  |  |  |  |  | 50.00% |  |  |  | 50.00% |  |  |  |  |  |  |  |  |  |
Preferred Stock, Beneficial Ownership Limitations, Percentage of Outstanding Shares Required to be Converted When Common Stock Volume-weighted Average Price Over Previous 10 Days as Reported Equals More Than 300% of Conversion Price |  |  |  |  |  |  |  |  |  |  |  |  |  | 100.00% |  |  |  | 100.00% |  |  |  |  |  |  |  |  |  |
Preferred Stock, Automatic Conversion Period |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 24 months |  |  |  |  |  |  |  |  |  |
Preferred Stock, Percentage Consent Needed to Convert |  |  |  |  |  |  |  |  |  |  |  |  |  | 51.00% |  |  |  | 51.00% |  |  |  |  |  |  |  |  |  |
Preferred Stock Dividends, Percentage of Common Shares |  |  |  |  |  |  |  |  |  |  |  |  |  | 20.00% |  |  |  | 20.00% |  |  |  |  |  |  |  |  |  |
Preferred Stock Dividends, Period One |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 12 months |  |  |  |  |  |  |  |  |  |
Preferred Stock Dividends, Period Two |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 24 months |  |  |  |  |  |  |  |  |  |
Preferred Stock Dividends, Period Three |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 90 days |  |  |  |  |  |  |  |  |  |
Preferred Stock, Maximum Loans | $ |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 5,000,000 |  |  |  | $ 5,000,000 |  |  |  |  |  |  |  |  |  |
Preferred Stock Voting Exceptions, Minimum Amount of Indebtedness Required | $ |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 5,000,000 |  |  |  | $ 5,000,000 |  |  |  |  |  |  |  |  |  |
Series AAA Junior Preferred Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred Stock, Shares Outstanding (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  | 365 |  |  |  | 365 |  |  |  |  |  |  |  |  |  |
Fair Value Shares Issued | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 273,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred Stock, Extension Period of Exercise |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 6 months |  |  |  |  |  |  |  |  |  |
Series AAA Junior Preferred Stock [Member] | Subscription Agreements [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred Stock Dividends, Percentage of Common Shares |  |  |  |  |  |  |  |  |  |  |  |  |  | 20.00% |  |  |  | 20.00% |  |  |  |  |  |  |  |  |  |
Preferred Stock Dividends, Period One |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 30 days |  |  |  |  |  |  |  |  |  |
Preferred Stock Dividends, Period Two |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 60 days |  |  |  |  |  |  |  |  |  |
Series AAA Convertible Preferred Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred Stock, Shares Outstanding (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  | 7,395 |  |  |  | 7,395 |  |  |  |  |  |  |  |  |  |
Fair Value Shares Issued | $ |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 415,000 | $ 587,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Series AAA Convertible Preferred Stock [Member] | Subscription Agreements [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred Stock, Stated Value | $ |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,000 |  |  |  | $ 1,000 |  |  |  |  |  |  |  |  |  |
Preferred Stock, Period After Registration Agreement for Conversion |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 18 months |  |  |  |  |  |  |  |  |  |
Preferred Stock, Down Round Feature, Period After Filing Date |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 24 months |  |  |  |  |  |  |  |  |  |
Subscription Agreements [Member] | Series A A Preferred Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity, Minimum Preferred Stock Purchased | $ |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 3,500,000 |  |  |  | $ 3,500,000 |  |  |  |  |  |  |  |  |  |
Preferred Stock, Convertible, Conversion Percentage |  |  |  |  |  |  |  |  |  |  |  |  |  | 125.00% |  |  |  | 125.00% |  |  |  |  |  |  |  |  |  |
Series AAA AIRs [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred Stock, Extension Period of Exercise |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3 months |  |  |  |  |  |  |  |  |  |
Preferred Stock, Expiration Period |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 21 months |  |  |  |  |  |  |  |  |  |
Warrants Issued With Placement Agent Agreement [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants and Rights Outstanding, Term |  |  |  |  |  |  |  |  |  |  |  |  |  | 5 years |  |  |  | 5 years |  |  |  |  |  |  |  |  |  |
Class of Warrants and Rights, Number of Securities Called by Warrants or Rights, Percentage of Total Common Stock Issuable Upon Conversion of Preferred Shares |  |  |  |  |  |  |  |  |  |  |  |  |  | 14.50% |  |  |  | 14.50% |  |  |  |  |  |  |  |  |  |
Placement Agent Warrants With Series A-2 Preferred Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Exchanged During Period (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  | 88,403 |  |  |  | 88,403 |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Shares, Warrant Exchange (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 199,778 |  |  |  |  |  |  |  |  |  |
Shares Issued, Price Per Share (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1.71 |  |  |  | $ 1.71 |  |  |  |  |  |  |  |  |  |
Placement Agent Warrants With Series A-2 Preferred Stock [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Exchanged During Period, Exercise Price (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  | 7.6 |  |  |  | 7.6 |  |  |  |  |  |  |  |  |  |
Placement Agent Warrants With Series A-2 Preferred Stock [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Exchanged During Period, Exercise Price (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 13.41 |  |  |  | $ 13.41 |  |  |  |  |  |  |  |  |  |
New Placement Agent Warrants [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Exchanged During Period (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  | 347,428 |  |  |  | 347,428 |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Exchanged During Period, Exercise Price (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1.674 |  |  |  | $ 1.674 |  |  |  |  |  |  |  |  |  |
Series AAA-3 and AAA-4 Junior Preferred Stock Warrants [Member] | Series AAA-3 & AAA-4 Junior Subscription Agreements [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Exchanged During Period, Exercise Price (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  | $ 1 |  |  |  |  | $ 1 |  | $ 1 |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right |  |  |  |  |  |  |  |  |  | 1,000 |  |  |  |  | 1,000 |  | 1,000 |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Issued During Period, Purchase Price | $ / shares |  |  |  |  |  |  |  |  |  | $ 1,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Series AA Preferred Additional Investment Rights [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Exchanged During Period (in shares) |  |  |  |  |  |  |  |  |  | 3,336,293 |  | 3,215,232 |  |  | 3,336,293 | 3,215,232 | 3,336,293 |  |  |  |  | 667,289 |  | 642,962 |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Period Increase (Decrease) | $ |  |  |  |  |  |  |  |  |  | $ 70,000 |  | $ 294,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Series AA Additional Investment Right [Member] | Minimum [Member] | Measurement Input, Share Price [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants and Rights Outstanding, Measurement Input |  |  |  |  |  |  |  |  |  | 0.72 |  |  |  |  | 0.72 |  | 0.72 |  |  |  |  |  |  |  |  |  |  |
Series AA Additional Investment Right [Member] | Minimum [Member] | Measurement Input, Conversion Price [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants and Rights Outstanding, Measurement Input |  |  |  |  |  |  |  |  |  | 1.856 |  |  |  |  | 1.856 |  | 1.856 |  |  |  |  |  |  |  |  |  |  |
Series AA Additional Investment Right [Member] | Minimum [Member] | Measurement Input, Risk Free Interest Rate [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants and Rights Outstanding, Measurement Input |  |  |  |  |  |  |  |  |  | 0.0464 |  |  |  |  | 0.0464 |  | 0.0464 |  |  |  |  |  |  |  |  |  |  |
Series AA Additional Investment Right [Member] | Minimum [Member] | Measurement Input, Expected Term [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants and Rights Outstanding, Measurement Input |  |  |  |  |  |  |  |  |  | 0.24 |  |  |  |  | 0.24 |  | 0.24 |  |  |  |  |  |  |  |  |  |  |
Series AA Additional Investment Right [Member] | Minimum [Member] | Measurement Input, Price Volatility [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants and Rights Outstanding, Measurement Input |  |  |  |  |  |  |  |  |  | 0.68 |  |  |  |  | 0.68 |  | 0.68 |  |  |  |  |  |  |  |  |  |  |
Series AA Additional Investment Right [Member] | Maximum [Member] | Measurement Input, Share Price [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants and Rights Outstanding, Measurement Input |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.86 |  |  |  | 0.86 |  |  |  |  |  |  |  |  |  |
Series AA Additional Investment Right [Member] | Maximum [Member] | Measurement Input, Conversion Price [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants and Rights Outstanding, Measurement Input |  |  |  |  |  |  |  |  |  | 13.25 |  |  |  |  | 13.25 |  | 13.25 |  |  |  |  |  |  |  |  |  |  |
Series AA Additional Investment Right [Member] | Maximum [Member] | Measurement Input, Risk Free Interest Rate [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants and Rights Outstanding, Measurement Input |  |  |  |  |  |  |  |  |  | 0.0536 |  |  |  |  | 0.0536 |  | 0.0536 |  |  |  |  |  |  |  |  |  |  |
Series AA Additional Investment Right [Member] | Maximum [Member] | Measurement Input, Expected Term [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants and Rights Outstanding, Measurement Input |  |  |  |  |  |  |  |  |  | 0.92 |  |  |  |  | 0.92 |  | 0.92 |  |  |  |  |  |  |  |  |  |  |
Series AA Additional Investment Right [Member] | Maximum [Member] | Measurement Input, Price Volatility [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants and Rights Outstanding, Measurement Input |  |  |  |  |  |  |  |  |  | 0.91 |  |  |  |  | 0.91 |  | 0.91 |  |  |  |  |  |  |  |  |  |  |
Pre-Funded Warrant [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares Issued, Price Per Share (in dollars per share) | $ / shares |  |  |  |  | $ 2.58 |  |  |  |  |  |  |  | $ 2.6 |  |  |  |  |  | $ 2.6 |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Issued During Period (in shares) |  |  |  |  |  | 67,500 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Issued During Period, Exercise Price (in dollars per share) | $ / shares |  |  |  |  |  | $ 0.001 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Reverse Stock Split [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders' Equity Note, Stock Split, Conversion Ratio |  |  |  | 20 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
[1] | Fair valued based on the closing price of the Company’s common stock on the respective common stock dividend payment date.
[2] | As adjusted to reflect reduction in conversion prices as a result of the Series AA Down Round Feature, described below.
[3] | Pursuant to the terms of the Placement Agent Agreements, we agreed to issue to the Placement Agent, following the final closing under the individual Preferred Stock Offerings (effective as of the respective individual series closing dates), five-year warrants to purchase 14.5% of the shares of common stock issuable upon conversion of the respective series of Convertible Preferred Stock sold in the respective Preferred Stock Offering, at an exercise price equal to the applicable Preferred Stock Offering conversion price. See below for placement agent warrants exchanged in connection with the Exchange.
[4] | Series AAA and Series AAA-2 totals include 4,011 and 2,356 preferred shares, respectively, issued in connection with the Exchange Agreements described below.
[5] | The Conversion price for Series AA Preferred Stock outstanding as of August 23, 2023, totaling 10,706 shares of Series AA Preferred Stock, was adjusted to $2.60 as a result of the Series AA Down Round Feature described below.
[6] | The Conversion prices for the Series AA Preferred Stock outstanding as of November 30, 2023, totaling 7,322 shares of Series AA Preferred Stock, were adjusted to the conversion prices shown in the table above, as a result of the Series AA Down Round Feature described below.
[7] | The triggering of the Down Round Feature for the Series AA Preferred Stock, occurring in August 2023, resulted in a deemed dividend totaling $6,446,000, which was charged to retained earnings in the September 30, 2023 consolidated balance sheet.

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