Stockholders' Equity - Issuances of Common Stock (Details)
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1 Months Ended |
3 Months Ended |
6 Months Ended |
12 Months Ended |
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Apr. 01, 2024
USD ($)
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Mar. 26, 2024
USD ($)
$ / shares
shares
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Mar. 25, 2024 |
Dec. 07, 2023
USD ($)
$ / shares
shares
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Aug. 11, 2023
USD ($)
$ / shares
shares
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Dec. 09, 2022
USD ($)
shares
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Dec. 06, 2022
shares
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Nov. 01, 2021
$ / shares
shares
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Feb. 10, 2025
shares
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Jan. 31, 2025
USD ($)
$ / shares
shares
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Dec. 31, 2024
USD ($)
$ / shares
shares
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Sep. 30, 2024
shares
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Sep. 30, 2023
USD ($)
shares
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Dec. 31, 2024
USD ($)
shares
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Dec. 31, 2023
USD ($)
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Jun. 30, 2024
USD ($)
shares
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Jun. 30, 2023
USD ($)
shares
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Aug. 04, 2023
$ / shares
shares
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Aug. 03, 2023
$ / shares
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Nov. 25, 2020
USD ($)
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Class of Stock [Line Items] |
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Preferred stock, shares issued |
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0
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0
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0
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Proceeds from the exercise of stock options | $ |
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$ 18,000
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$ 0
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Subscription receivable | $ |
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$ 13,000
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13,000
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Restricted Stock Units |
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Class of Stock [Line Items] |
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Shares vested |
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11,575
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12,219
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Restricted Stock Units | Subsequent Events |
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Class of Stock [Line Items] |
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Shares vested |
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11,575
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Employee Stock Option |
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Class of Stock [Line Items] |
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Shares exercised |
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18,200
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Weighted-average exercise price | $ / shares |
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$ 1.72
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Proceeds from the exercise of stock options | $ |
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$ 18,060,000
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Subscription receivable | $ |
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$ 13,244,000
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$ 13,244,000
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Employee Stock Option | Subsequent Events |
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Class of Stock [Line Items] |
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Shares exercised |
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48,300
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Weighted-average exercise price | $ / shares |
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$ 1.72
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Proceeds from the exercise of stock options | $ |
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$ 83,076
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Series 2022 Preferred Stock |
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Class of Stock [Line Items] |
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Preferred stock, shares issued |
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0
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0
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0
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Cantor Fitzgerald Underwriting | At-The-Market Offerings | Common Stock |
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Class of Stock [Line Items] |
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Common stock, shares issued |
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170,989
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0
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289,144
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Net proceeds from sale of equity | $ |
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$ 1,700,000
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$ 6,400,000
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Subscription receivable | $ |
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$ 204,000
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Cantor Fitzgerald Underwriting | At-The-Market Offerings | Common Stock | Maximum |
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Class of Stock [Line Items] |
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Aggregate offering price | $ |
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$ 100,000,000
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Wainwright Underwriting | At-The-Market Offerings |
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Class of Stock [Line Items] |
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Warrants, proceeds from issuance | $ |
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$ 2,864,000
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Wainwright Underwriting | At-The-Market Offerings | Common Stock |
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Class of Stock [Line Items] |
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Common stock, shares issued |
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76,538
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Wainwright Underwriting | At-The-Market Offerings | Common Stock | Pre-Funded Warrants |
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Class of Stock [Line Items] |
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Warrants, shares issued |
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91,730
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Wainwright Underwriting | At-The-Market Offerings | Common Stock | Series A warrants |
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Class of Stock [Line Items] |
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Warrants, shares issued |
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168,269
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Wainwright Underwriting | At-The-Market Offerings | Common Stock | Series B warrants |
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Class of Stock [Line Items] |
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Warrants, shares issued |
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168,269
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Wainwright Underwriting | H.C. Wainwright & Co. |
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Class of Stock [Line Items] |
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Agent fee percentage |
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7.00%
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Wainwright Underwriting | H.C. Wainwright & Co. | Underwriters Option | Common Stock |
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Class of Stock [Line Items] |
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Underwriters purchase option period |
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30 days
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Wainwright Underwriting | H.C. Wainwright & Co. | Underwriters Option | Common Stock | Maximum |
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Class of Stock [Line Items] |
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Warrants, shares issued |
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50,480
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Wainwright Underwriting | H.C. Wainwright & Co. | Underwriters Option | Common Stock | Minimum |
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Class of Stock [Line Items] |
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Warrants, shares issued |
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25,240
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Wainwright Underwriting | H.C. Wainwright & Co. | Underwriters Option | Common Stock | Representative Warrants |
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Class of Stock [Line Items] |
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Warrants, shares issued |
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10,094
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Additional shares for purchase, percentage of aggregate shares in offerings |
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6.00%
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Wainwright Underwriting | H.C. Wainwright & Co. | Underwriters Option | Common Stock | Series A warrants |
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Class of Stock [Line Items] |
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Warrants, shares issued |
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25,240
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Wainwright Underwriting | H.C. Wainwright & Co. | Underwriters Option | Common Stock | Series B warrants |
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Class of Stock [Line Items] |
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Warrants, shares issued |
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25,240
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Lincoln Park Stock Purchase Agreement | At-The-Market Offerings | Common Stock |
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Class of Stock [Line Items] |
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Aggregate offering price | $ |
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$ 10,000,000
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Common stock, shares issued |
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202,595
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Gross proceeds from sale of equity | $ |
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$ 5,000,000
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Net proceeds from sale of equity | $ |
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$ 1,300,000
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Common stock, shares available for future issuance |
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0
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0
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Term of stock purchase agreement |
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24 months
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Initial commitment shares issued |
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10,573
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Additional commitment shares issued |
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10,573
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Lincoln Park Stock Purchase Agreement | At-The-Market Offerings | Common Stock | Maximum |
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Class of Stock [Line Items] |
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Aggregate offering price | $ |
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$ 10,000,000
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Shares available for purchase when stock price closes between $3 and $20 per share |
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5,000
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Shares available for purchase when stock price closes between $20 and $40 per share |
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7,500
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Shares available for purchase when stock price closes at or above $40 per share |
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10,000
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Fair value of common stock purchased in single transaction | $ |
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$ 500,000
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Lincoln Park Stock Purchase Agreement | At-The-Market Offerings | Common Stock | Minimum |
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Class of Stock [Line Items] |
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Stock price permitting the sale of up to 5,000 shares | $ / shares |
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$ 3
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Stock price permitting the sale of up to 7,500 shares | $ / shares |
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20
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Stock price permitting the sale of up to 10,000 shares | $ / shares |
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40
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Stock price permitting accelerated purchase clause | $ / shares |
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$ 4
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Number of "additional accelerated purchases" that may be directed |
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1
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Securities Purchase Agreement | Private placement |
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Class of Stock [Line Items] |
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Net proceeds from sale of equity | $ |
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$ 4,000,000
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Accrued stock issuance costs | $ |
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$ 369,000
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$ 369,000
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Securities Purchase Agreement | Alliance Global Partners | Private placement |
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Class of Stock [Line Items] |
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Combined price per share of common stock and warrants | $ / shares |
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$ 2
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Reimbursement for legal expenses | $ |
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$ 75,000
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Non-accountable expense allowance | $ |
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|
|
$ 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
|
|
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
|
|
|
0
|
|
|
|
|
|
|
Warrants, exercise price | $ / shares |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
$ 10
|
$ 20.8
|
|
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 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
$ 20.8
|
|
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 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
$ 20.8
|
|
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 | Pre-Funded Warrants |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Class of Stock [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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, exercise price | $ / shares |
|
|
|
$ 2
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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, exercise price | $ / shares |
|
|
|
$ 2.00
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Warrants, exercisable term |
|
|
|
5 years
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|