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v3.23.1

Subsequent Events (Details) - USD ($) |  |  | 3 Months Ended | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Apr. 18, 2023 | Apr. 14, 2023 | Mar. 31, 2022 | Dec. 31, 2022 | Dec. 31, 2021 | Mar. 31, 2023 | Sep. 14, 2022 | Nov. 13, 2020 | Jun. 30, 2020
Subsequent Events |  |  |  |  |  |  |  |  |
Common stock, par value |  |  |  | $ 0.01 | $ 0.01 | $ 0.01 |  |  |
Price per share |  |  |  |  |  |  |  | $ 6.00 |
Exercise price of warrants |  |  |  |  |  |  | $ 8.85 |  |
Proceeds from issuance of common stock |  |  | $ 203,438 | $ 983,195 | $ 7,633,045 |  |  |  |
Warrants to purchase shares of common stock |  |  |  | 1,465,083 | 1,550,402 | 1,181,169 |  |  | 6,418
Subsequent Events | Securities purchase agreement |  |  |  |  |  |  |  |  |
Subsequent Events |  |  |  |  |  |  |  |  |
Number of shares agreed to issue and sell | 563,380 |  |  |  |  |  |  |  |
Common stock, par value | $ 3.30 |  |  |  |  |  |  |  |
Proceeds from issuance of common stock | $ 1,859,154 |  |  |  |  |  |  |  |
Warrants to purchase shares of common stock | 1,009,950 |  |  |  |  |  |  |  |
Proceeds from warrant exercises | $ 3,332,835 |  |  |  |  |  |  |  |
Shares issued upon exercise of warrants | 1,573,330 |  |  |  |  |  |  |  |
Proceeds from offering after deducting placement fee and legal expense | $ 4,780,000 |  |  |  |  |  |  |  |
Legal expense | 50,000 |  |  |  |  |  |  |  |
Placement fee | $ 363,000 |  |  |  |  |  |  |  |
Subsequent Events | Registered direct offering | Securities purchase agreement |  |  |  |  |  |  |  |  |
Subsequent Events |  |  |  |  |  |  |  |  |
Number of shares agreed to issue and sell |  | 563,380 |  |  |  |  |  |  |
Common stock, par value |  | $ 0.01 |  |  |  |  |  |  |
Price per share |  | $ 3.30 |  |  |  |  |  |  |
Warrants to purchase shares of common stock agreed to issue and sell |  | 1,009,950 |  |  |  |  |  |  |
Price per warrant |  | $ 3.299 |  |  |  |  |  |  |
Exercise price of warrants |  | 0.001 |  |  |  |  |  |  |
Subsequent Events | Private placement | Securities purchase agreement |  |  |  |  |  |  |  |  |
Subsequent Events |  |  |  |  |  |  |  |  |
Exercise price of warrants |  | $ 3.30 |  |  |  |  |  |  |
Shares issued upon exercise of warrants |  | 1,573,330 |  |  |  |  |  |  |

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