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v3.24.0.1

Preferred Stock and Common Stock - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Jan. 31, 2021
Class of Stock [Line Items] |  |  |  |
Preferred stock, shares authorized (in shares) |  | 2,000,000 | 2,000,000 |
Preferred stock, par value (in dollars per share) |  | $ 0.001 | $ 0.001 |
Common stock, shares authorized (in shares) | [1] | 150,000,000 | 150,000,000 |
Common stock, par value (in dollars per share) | [1] | $ 0.001 | $ 0.001 |
Common stock, shares issued (in shares) | [1] | 11,878,557 | 10,846,815 |
Common stock, shares outstanding (in shares) | [1] | 11,878,557 | 10,846,815 |
Series D Preferred Stock |  |  |  |
Class of Stock [Line Items] |  |  |  |
Preferred stock, shares authorized (in shares) |  | 150,000 |  |
Series E Preferred Stock |  |  |  |
Class of Stock [Line Items] |  |  |  |
Preferred stock, shares authorized (in shares) |  | 39,500 | 39,500 |
Preferred stock, par value (in dollars per share) |  | $ 0.001 | $ 0.001 |
Preferred stock, shares issued (in shares) |  | 25,000 | 25,000 |
Preferred stock, shares outstanding (in shares) |  | 25,000 | 25,000 |
Dividend rate |  | 9.00% |  |
Redemption price |  | 110.00% |  |
Liquidation preference per share (in dollars per share) |  | $ 1,000 |  |
Dividends accrued |  | $ 10.1 | $ 7.1 |
Dividends accrued (usd per share) |  | $ 404.93 | $ 285.29 |
Canaccord Genuity LLC | ATM Offering |  |  |  |
Class of Stock [Line Items] |  |  |  |
Equity Distribution Agreement, maximum aggregate amount authorized for offer or sale |  |  |  | $ 40.0
Number of shares issued (in shares) |  | 803,596 | 0 |
Purchase price (in dollars per share) |  | $ 7.54 |  |
Proceeds from sale of stock |  | $ 5.9 |  |
[1] | Adjusted retroactively for reverse stock split that occurred on January 24, 2024, see Note 1

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