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v3.23.2

Capital Stock - Common Stock and Common Stock Warrants (Details) - USD ($) |  |  |  | 3 Months Ended | 6 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jun. 30, 2023 | May 28, 2023 | Apr. 18, 2023 | Jun. 30, 2023 | Jun. 30, 2023 | Jun. 30, 2022 | Mar. 31, 2023 | Dec. 31, 2022 | Mar. 31, 2022 | Dec. 31, 2021
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |
Common stock, par value (in dollars per share) | $ 0.0001 |  |  | $ 0.0001 | $ 0.0001 |  |  | $ 0.0001 |  |
Common stock, shares authorized (in shares) | 150,000,000 |  |  | 150,000,000 | 150,000,000 |  |  | 150,000,000 |  |
Common stock, shares issued (in shares) | 2,736,481 |  |  | 2,736,481 | 2,736,481 |  |  | 2,070,861 |  |
Common stock, shares outstanding (in shares) | 2,728,928 |  |  | 2,728,928 | 2,728,928 |  |  | 2,063,308 |  |
Preferred stock dividends |  |  |  | $ 149,000 | $ 149,000 | $ 0 |  |  |  |
Exercise price (in dollars per share) | $ 1.73 |  |  | $ 1.73 | $ 1.73 |  |  | $ 66.34 |  | $ 66.34
Series F Preferred Stock |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |
Preferred stock dividends |  |  |  | $ 3,665 |  |  |  |  |  |
Shares converted (in shares) |  |  |  | 175 | 175 |  |  |  |  |
Exercise price (in dollars per share) | $ 975 |  |  | $ 975 | $ 975 |  |  |  |  |
Director |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |
Stock-based compensation (in shares) |  | 1,971 |  |  |  |  |  |  |  |
Restricted Stock | Director |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |
Vested, restricted shares (in shares) |  | 42 |  |  |  |  |  |  |  |
RSUs | Director |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |
Vested, restricted shares (in shares) |  | 1,929 |  |  |  |  |  |  |  |
Exchange Agreement |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |
Number of shares issued (in shares) | 406,776 |  |  |  |  |  |  |  |  |
Exchange Agreement | Exchange Warrants |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |
Number of shares issuable (in shares) | 406,776 |  |  | 406,776 | 406,776 |  |  |  |  |
Exercise price (in dollars per share) | $ 0.0001 |  |  | $ 0.0001 | $ 0.0001 |  |  |  |  |
Beneficial ownership limitation | 4.99% |  |  | 4.99% | 4.99% |  |  |  |  |
Notice period to increase beneficial ownership limitation | 61 days |  |  |  |  |  |  |  |  |
Exchange Agreement | Maximum | Exchange Warrants |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |
Beneficial ownership limitation | 19.99% |  |  | 19.99% | 19.99% |  |  |  |  |
Common Stock |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |
Common stock, shares issued (in shares) | 2,736,481 |  |  | 2,736,481 | 2,736,481 | 2,070,861 | 2,070,861 | 2,070,861 | 2,070,861 | 2,070,861
Common stock, shares outstanding (in shares) | 2,728,928 |  |  | 2,728,928 | 2,728,928 |  |  |  |  |
Issuance of common shares from warrant exercise (in shares) |  |  | 339,498 |  | 339,498 |  |  |  |  |
Issuance of restricted stock (in shares) |  |  | 177,564 |  |  |  |  |  |  |
Stock-based compensation (in shares) |  |  |  | 179,535 | 179,535 |  |  |  |  |
Exercise price (in dollars per share) |  |  | $ 1.71 |  |  |  |  |  |  |
Common Stock | Series F Preferred Stock |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |
Shares issued in conversion (in shares) |  |  |  | 146,587 | 146,587 |  |  |  |  |

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