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v3.23.2

Preferred Stock (Details) - USD ($) |  |  |  | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | ---
Apr. 18, 2023 | Mar. 31, 2023 | Mar. 30, 2023 | Jun. 30, 2023 | Jun. 30, 2023 | Jun. 30, 2022 | Dec. 31, 2022 | Dec. 31, 2021
Class of Stock [Line Items] |  |  |  |  |  |  |  |
Preferred stock, convertible, shares authorized (in shares) |  |  |  | 42,000 | 42,000 |  | 42,000 |
Preferred stock, shares designated (in shares) |  |  |  | 1,983,250 | 1,983,250 |  |  |
Preferred stock, shares issued (in shares) |  |  |  | 6,375 | 6,375 |  | 0 |
Preferred stock, shares outstanding (in shares) |  |  |  | 6,375 | 6,375 |  | 0 |
Exercise price (in dollars per share) |  |  |  | $ 1.73 | $ 1.73 |  | $ 66.34 | $ 66.34
Preferred stock dividends |  |  |  | $ 149,000 | $ 149,000 | $ 0 |  |
Common Stock |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |
Payments of stock issuance costs | $ 46,000 |  |  |  |  |  |  |
Exercise price (in dollars per share) | $ 1.71 |  |  |  |  |  |  |
Private Placement | Preferred Warrants |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |
Number of shares issuable (in shares) |  |  | 32,750 |  |  |  |  |
Private Placement | Investor Warrants |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |
Number of shares issuable (in shares) |  |  | 3,830,413 |  |  |  |  |
Series F Preferred Stock |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |
Preferred stock, shares outstanding (in shares) |  |  |  | 6,375 | 6,375 |  |  |
Percentage of common stock to be issued at minimum price |  | 19.99% |  |  |  |  |  |
Conversion price (in dollars per share) |  |  |  | $ 1.71 | $ 1.71 |  |  |
Preferred stock, conversion price percentage |  |  |  | 80.00% | 80.00% |  |  |
Preferred stock convertible, threshold consecutive trading days |  |  |  |  | 30 days |  |  |
Preferred Stock, Liquidation Preference Per Share |  |  |  | $ 1,000 | $ 1,000 |  |  |
Preferred stock dividend percentage |  |  |  |  | 9.00% |  |  |
Shares converted (in shares) |  |  |  | 175 | 175 |  |  |
Accrued dividend |  |  |  | $ 145,079 | $ 145,079 |  |  |
Exercise price (in dollars per share) |  |  |  | $ 975 | $ 975 |  |  |
Expiration period |  |  |  |  | 3 years |  |  |
Percentage of common stock issuable |  |  |  | 100.00% | 100.00% |  |  |
Preferred stock dividends |  |  |  | $ 3,665 |  |  |  |
Series F Preferred Stock | Common Stock |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |
Shares issued in conversion (in shares) |  |  |  | 146,587 | 146,587 |  |  |
Series F Preferred Stock | Scenario 1 |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |
Preferred stock dividend percentage |  |  |  |  | 20.00% |  |  |
Series F Preferred Stock | Private Placement |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |
Number of shares issued (in shares) |  |  | 6,550 |  |  |  |  |
Proceeds from private placement, net of issuance costs |  | $ 5,435,000 |  | $ 3,962,000 |  |  |  |
Gross proceeds |  | 6,386,000 |  |  |  |  |  |
Escrow deposit |  | $ 4,000,000 |  |  |  |  |  |
Payments of stock issuance costs |  |  |  | $ 38,000 | $ 951,000 |  |  |
Maximum |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |
Preferred stock, convertible, shares authorized (in shares) |  |  |  | 5,000,000 | 5,000,000 |  |  |

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