v3.24.3

Stockholders' Equity - Issuances of Common Stock (Details) |  |  |  |  |  |  |  |  | 1 Months Ended | 3 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Apr. 01, 2024 USD ($) | Mar. 26, 2024 USD ($) $ / shares shares | Mar. 25, 2024 | Dec. 07, 2023 USD ($) $ / shares shares | Aug. 11, 2023 USD ($) $ / shares shares | Dec. 09, 2022 USD ($) shares | Dec. 06, 2022 shares | Nov. 01, 2021 $ / shares shares | Nov. 12, 2024 shares | Sep. 30, 2024 USD ($) shares | Jun. 30, 2024 USD ($) shares | Aug. 04, 2023 $ / shares shares | Aug. 03, 2023 $ / shares | Nov. 25, 2020 USD ($)
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock, shares issued |  |  |  |  |  |  |  |  |  | 0 | 0 |  |  |
Restricted Stock Units |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares vested |  |  |  |  |  |  |  |  |  | 12,219 |  |  |  |
Restricted Stock Units | Subsequent Events |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares vested |  |  |  |  |  |  |  |  | 11,575 |  |  |  |  |
Series 2022 Preferred Stock |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock, shares issued |  |  |  |  |  |  |  |  |  | 0 | 0 |  |  |
Private placement |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Reduced placement agent fee percentage |  | 4.00% |  |  |  |  |  |  |  |  |  |  |  |
Cantor Fitzgerald Underwriting | At-The-Market Offerings | Common Stock |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock, shares issued |  |  |  |  |  |  |  |  |  | 170,989 | 289,144 |  |  |
Net proceeds from sale of equity | $ |  |  |  |  |  |  |  |  |  | $ 1,700,000 | $ 6,400,000 |  |  |
Subscription receivable | $ |  |  |  |  |  |  |  |  |  |  | $ 204,000 |  |  |
Cantor Fitzgerald Underwriting | At-The-Market Offerings | Common Stock | Maximum |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate offering price | $ |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 100,000,000
Wainwright Underwriting | At-The-Market Offerings |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants, proceeds from issuance | $ |  |  |  |  |  | $ 2,864,000 |  |  |  |  |  |  |  |
Wainwright Underwriting | At-The-Market Offerings | Common Stock |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock, shares issued |  |  |  |  |  |  | 76,538 |  |  |  |  |  |  |
Wainwright Underwriting | At-The-Market Offerings | Common Stock | Pre-Funded Warrants |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants, shares issued |  |  |  |  |  |  | 91,730 |  |  |  |  |  |  |
Wainwright Underwriting | At-The-Market Offerings | Common Stock | Series A warrants |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants, shares issued |  |  |  |  |  |  | 168,269 |  |  |  |  |  |  |
Wainwright Underwriting | At-The-Market Offerings | Common Stock | Series B warrants |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants, shares issued |  |  |  |  |  |  | 168,269 |  |  |  |  |  |  |
Wainwright Underwriting | H.C. Wainwright & Co. |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Agent fee percentage |  |  |  |  |  | 7.00% |  |  |  |  |  |  |  |
Wainwright Underwriting | H.C. Wainwright & Co. | Underwriters Option | Common Stock |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Underwriters purchase option period |  |  |  |  |  | 30 days |  |  |  |  |  |  |  |
Wainwright Underwriting | H.C. Wainwright & Co. | Underwriters Option | Common Stock | Maximum |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants, shares issued |  |  |  |  |  | 50,480 |  |  |  |  |  |  |  |
Wainwright Underwriting | H.C. Wainwright & Co. | Underwriters Option | Common Stock | Minimum |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants, shares issued |  |  |  |  |  | 25,240 |  |  |  |  |  |  |  |
Wainwright Underwriting | H.C. Wainwright & Co. | Underwriters Option | Common Stock | Representative Warrants |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants, shares issued |  |  |  |  |  | 10,094 |  |  |  |  |  |  |  |
Additional shares for purchase, percentage of aggregate shares in offerings |  |  |  |  |  | 6.00% |  |  |  |  |  |  |  |
Wainwright Underwriting | H.C. Wainwright & Co. | Underwriters Option | Common Stock | Series A warrants |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants, shares issued |  |  |  |  |  | 25,240 |  |  |  |  |  |  |  |
Wainwright Underwriting | H.C. Wainwright & Co. | Underwriters Option | Common Stock | Series B warrants |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants, shares issued |  |  |  |  |  | 25,240 |  |  |  |  |  |  |  |
Lincoln Park Stock Purchase Agreement | At-The-Market Offerings | Common Stock |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate offering price | $ |  |  |  |  | $ 10,000,000 |  |  |  |  |  |  |  |  |
Common stock, shares issued |  |  |  |  |  |  |  |  |  |  | 202,595 |  |  |
Gross proceeds from sale of equity | $ |  |  |  |  | $ 5,000,000 |  |  |  |  |  |  |  |  |
Net proceeds from sale of equity | $ |  |  |  |  |  |  |  |  |  |  | $ 1,300,000 |  |  |
Common stock, shares available for future issuance |  |  |  |  |  |  |  |  |  | 0 |  |  |  |
Term of stock purchase agreement |  |  |  |  | 24 months |  |  |  |  |  |  |  |  |
Initial commitment shares issued |  |  |  |  | 10,573 |  |  |  |  |  |  |  |  |
Additional commitment shares issued |  |  |  |  | 10,573 |  |  |  |  |  |  |  |  |
Lincoln Park Stock Purchase Agreement | At-The-Market Offerings | Common Stock | Maximum |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate offering price | $ |  |  |  |  | $ 10,000,000.0 |  |  |  |  |  |  |  |  |
Shares available for purchase when stock price closes between $3 and $20 per share |  |  |  |  | 5,000 |  |  |  |  |  |  |  |  |
Shares available for purchase when stock price closes between $20 and $40 per share |  |  |  |  | 7,500 |  |  |  |  |  |  |  |  |
Shares available for purchase when stock price closes at or above $40 per share |  |  |  |  | 10,000 |  |  |  |  |  |  |  |  |
Fair value of common stock purchased in single transaction | $ |  |  |  |  | $ 500,000 |  |  |  |  |  |  |  |  |
Lincoln Park Stock Purchase Agreement | At-The-Market Offerings | Common Stock | Minimum |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock price permitting the sale of up to 5,000 shares | $ / shares |  |  |  |  | $ 3.00 |  |  |  |  |  |  |  |  |
Stock price permitting the sale of up to 7,500 shares | $ / shares |  |  |  |  | 20.00 |  |  |  |  |  |  |  |  |
Stock price permitting the sale of up to 10,000 shares | $ / shares |  |  |  |  | 40.00 |  |  |  |  |  |  |  |  |
Stock price permitting accelerated purchase clause | $ / shares |  |  |  |  | $ 4.00 |  |  |  |  |  |  |  |  |
Number of "additional accelerated purchases" that may be directed |  |  |  |  | 1 |  |  |  |  |  |  |  |  |
Securities Purchase Agreement | Private placement |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net proceeds from sale of equity | $ |  |  |  | $ 4,000,000 |  |  |  |  |  |  |  |  |  |
Accrued stock issuance costs | $ |  |  |  |  |  |  |  |  |  | $ 369,000 |  |  |  |
Securities Purchase Agreement | Alliance Global Partners | Private placement |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Combined price per share of common stock and warrants | $ / shares |  |  |  | $ 2.00 |  |  |  |  |  |  |  |  |  |
Reimbursement for legal expenses | $ |  |  |  | $ 75,000 |  |  |  |  |  |  |  |  |  |
Non-accountable expense allowance | $ |  |  |  | $ 15,000 |  |  |  |  |  |  |  |  |  |
Agent fee percentage |  |  |  | 5.50% |  |  |  |  |  |  |  |  |  |
Securities Purchase Agreement | Alliance Global Partners | Private placement | Common Stock |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock, shares issued |  |  |  | 600,000 |  |  |  |  |  |  |  |  |  |
Securities Purchase Agreement | Alliance Global Partners | Private placement | Common Stock | Pre-Funded Warrants |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants, shares issued |  |  |  | 1,650,000 |  |  |  |  |  |  |  |  |  |
Warrants, shares of common stock issuable upon conversion |  |  |  | 1,650,000 |  |  |  |  |  |  |  |  |  |
Securities Purchase Agreement | Alliance Global Partners | Private placement | Common Stock | Series C Warrants |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants, shares issued |  |  |  | 2,250,000 |  |  |  |  |  |  |  |  |  |
Warrants, shares of common stock issuable upon conversion |  |  |  | 2,250,000 |  |  |  |  |  |  |  |  |  |
Securities Purchase Agreement | Alliance Global Partners | Private placement | Common Stock | Series D Warrants |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants, shares issued |  |  |  | 2,250,000 |  |  |  |  |  |  |  |  |  |
Warrants, shares of common stock issuable upon conversion |  |  |  | 2,250,000 |  |  |  |  |  |  |  |  |  |
Securities Purchase Agreement and Warrants | Private placement |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gross proceeds from sale of equity | $ |  | $ 15,100,000 |  |  |  |  |  |  |  |  |  |  |  |
Reimbursement for legal expenses | $ |  | $ 50,000 |  |  |  |  |  |  |  |  |  |  |  |
Agent fee percentage |  | 6.00% |  |  |  |  |  |  |  |  |  |  |  |
Reduced placement agent fee percentage |  | 4.00% |  |  |  |  |  |  |  |  |  |  |  |
Securities Purchase Agreement and Warrants | Private placement | Common Stock |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock, shares issued |  | 2,701,315 |  |  |  |  |  |  |  |  |  |  |  |
Net proceeds from sale of equity | $ | $ 14,100,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Securities Purchase Agreement and Warrants | Private placement | Common Stock | Pre-Funded Warrants |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants, shares issued |  | 2,585,963 |  |  |  |  |  |  |  |  |  |  |  |
Warrants, exercise price | $ / shares |  | $ 0.0001 |  |  |  |  |  |  |  |  |  |  |  |
Securities Purchase Agreement and Warrants | Private placement | Common Stock | Series E Warrants |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants, shares issued |  | 5,287,278 |  |  |  |  |  |  |  |  |  |  |  |
Warrants, exercise price | $ / shares |  | $ 2.64 |  |  |  |  |  |  |  |  |  |  |  |
Warrants, exercisable term |  | 5 years |  |  |  |  |  |  |  |  |  |  |  |
Securities Purchase Agreement and Warrants | Private placement | Common Stock | Common Shares and Series E Warrants |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Combined price per share of common stock and warrants | $ / shares |  | $ 2.85 |  |  |  |  |  |  |  |  |  |  |  |
Securities Purchase Agreement and Warrants | Private placement | Common Stock | Pre-funded and Series E Warrants |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Combined price per share of common stock and warrants | $ / shares |  | $ 2.849 |  |  |  |  |  |  |  |  |  |  |  |
Term of 2024 Securities Purchase Agreement |  | 1 year |  |  |  |  |  |  |  |  |  |  |  |
Purchase agreement exclusivity period |  | 60 days |  |  |  |  |  |  |  |  |  |  |  |
Securities Purchase Agreement and Warrants | Private placement | Common Stock | Pre-funded and Series E Warrants | Maximum |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrant exercise, common stock ownership limitation |  | 4.99% |  |  |  |  |  |  |  |  |  |  |  |
Warrant exercise, common stock ownership limitation (at the election of the holder) |  | 9.99% | 9.99% |  |  |  |  |  |  |  |  |  |  |
Number of days to file a registration statement |  | 75 days |  |  |  |  |  |  |  |  |  |  |  |
Number of days to file a registration statement (in the event of a "full review" by SEC) |  | 90 days |  |  |  |  |  |  |  |  |  |  |  |
Suspension period |  | 15 days |  |  |  |  |  |  |  |  |  |  |  |
Securities Purchase Agreement and Warrants | Private placement | Common Stock | Pre-funded and Series E Warrants | Minimum |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrant holder's election, period of written notice |  | 61 days |  |  |  |  |  |  |  |  |  |  |  |
Number of days to file a registration statement |  | 60 days |  |  |  |  |  |  |  |  |  |  |  |
Warrants | H.C. Wainwright & Co. | Common Stock | Pre-Funded Warrants |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants, exercise price | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.001 |
Warrants | H.C. Wainwright & Co. | Common Stock | Representative Warrants |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants, exercise price | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  | $ 26.00 |
Warrants, exercisable term |  |  |  |  |  |  |  |  |  |  |  |  | 5 years |
Warrants | H.C. Wainwright & Co. | Common Stock | Warrants |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants, shares of common stock issuable upon conversion |  |  |  |  |  |  |  |  |  | 0 |  |  |  |
Warrants, exercise price | $ / shares |  |  |  |  |  |  |  |  |  |  |  | $ 10.00 | $ 20.80 |
Warrants | H.C. Wainwright & Co. | Common Stock | Series A warrants |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants, shares of common stock issuable upon conversion |  |  |  |  |  |  |  |  |  |  |  | 173,795 |  |
Warrants, exercise price | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  | $ 20.80 |
Warrants, exercisable term |  |  |  |  |  |  |  |  |  |  |  |  | 5 years |
Warrants | H.C. Wainwright & Co. | Common Stock | Series B warrants |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants, shares of common stock issuable upon conversion |  |  |  |  |  |  |  |  |  |  |  | 102,900 |  |
Warrants, exercise price | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  | $ 20.80 |
Warrants, exercisable term |  |  |  |  |  |  |  |  |  |  |  |  | 2 years |
Warrants | Bryan Capital | Common Stock | Warrants |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants, shares issued |  |  |  |  |  |  |  | 2,579 |  |  |  |  |  |
Warrants, exercise price | $ / shares |  |  |  |  |  |  |  | $ 665 |  |  |  |  |  |
Warrants | Alliance Global Partners | Private placement | Common Stock |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock, shares issued |  |  |  | 600,000 |  |  |  |  |  |  |  |  |  |
Warrants | Alliance Global Partners | Private placement | Common Stock | Pre-Funded Warrants |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants, shares issued |  |  |  | 1,650,000 |  |  |  |  |  |  |  |  |  |
Warrants, shares of common stock issuable upon conversion |  |  |  | 1,650,000 |  |  |  |  |  |  |  |  |  |
Warrants, exercise price | $ / shares |  |  |  | $ 0.0001 |  |  |  |  |  |  |  |  |  |
Warrants | Alliance Global Partners | Private placement | Common Stock | Warrants |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants, exercise price | $ / shares |  |  |  | $ 1.9999 |  |  |  |  |  |  |  |  |  |
Warrants | Alliance Global Partners | Private placement | Common Stock | Series C Warrants |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants, shares issued |  |  |  | 2,250,000 |  |  |  |  |  |  |  |  |  |
Warrants, shares of common stock issuable upon conversion |  |  |  | 2,250,000 |  |  |  |  |  |  |  |  |  |
Warrants, exercise price | $ / shares |  |  |  | $ 2.00 |  |  |  |  |  |  |  |  |  |
Warrants, exercisable term |  |  |  | 2 years |  |  |  |  |  |  |  |  |  |
Warrants | Alliance Global Partners | Private placement | Common Stock | Series D Warrants |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants, shares issued |  |  |  | 2,250,000 |  |  |  |  |  |  |  |  |  |
Warrants, shares of common stock issuable upon conversion |  |  |  | 2,250,000 |  |  |  |  |  |  |  |  |  |
Warrants, exercise price | $ / shares |  |  |  | $ 2.00 |  |  |  |  |  |  |  |  |  |
Warrants, exercisable term |  |  |  | 5 years |  |  |  |  |  |  |  |  |  |

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