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Condensed Consolidated Statements of Redeemable Convertible Preferred Stock and Stockholders' Equity (Deficit) (Unaudited) - USD ($) $ in Thousands | Total | Redeemable Convertible Preferred Stock | Redeemable Preferred Stock | Convertible Preferred Stock | Common Stock | Additional Paid-In Capital | Accumulated Deficit
--- | --- | --- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2021 | $ 41,089 |  |  |  | $ 31 | $ 443,752 | $ (402,694)
Balance (in shares) at Dec. 31, 2021 |  |  |  |  | 31,409,707 |  |
Stock-based compensation expense | 515 |  |  |  |  | 515 |
Stock-based compensation expense, shares |  |  |  |  | 32,684 |  |
Issuance of common stock from stock grants | 16 |  |  |  |  | 16 |
Issuance of common stock from stock grants, shares |  |  |  |  | 34,662 |  |
Net income (loss) | (14,536) |  |  |  |  |  | (14,536)
Balance at Mar. 31, 2022 | 27,084 |  |  |  | $ 31 | 444,283 | (417,230)
Balance (in shares) at Mar. 31, 2022 |  |  |  |  | 31,477,053 |  |
Balance at Dec. 31, 2021 | 41,089 |  |  |  | $ 31 | 443,752 | (402,694)
Balance (in shares) at Dec. 31, 2021 |  |  |  |  | 31,409,707 |  |
Net income (loss) | 32,212 |  |  |  |  |  |
Balance at Sep. 30, 2022 | 29,375 |  |  |  | $ 31 | 399,826 | (370,482)
Balance (in shares) at Sep. 30, 2022 |  |  |  |  | 31,490,053 |  |
Balance at Mar. 31, 2022 | 27,084 |  |  |  | $ 31 | 444,283 | (417,230)
Balance (in shares) at Mar. 31, 2022 |  |  |  |  | 31,477,053 |  |
Stock-based compensation expense | 346 |  |  |  |  | 346 |
Net income (loss) | 51,632 |  |  |  |  |  | 51,632
Balance at Jun. 30, 2022 | 79,062 |  |  |  | $ 31 | 444,629 | (365,598)
Balance (in shares) at Jun. 30, 2022 |  |  |  |  | 31,477,053 |  |
Stock-based compensation expense | 224 |  |  |  |  | 224 |
Issuance of common stock from stock grants | 4 |  |  |  |  | 4 |
Issuance of common stock from stock grants, shares |  |  |  |  | 13,000 |  |
Cash dividends paid | (45,031) |  |  |  |  | (45,031) |
Net income (loss) | (4,884) |  |  |  |  |  | (4,884)
Balance at Sep. 30, 2022 | 29,375 |  |  |  | $ 31 | 399,826 | (370,482)
Balance (in shares) at Sep. 30, 2022 |  |  |  |  | 31,490,053 |  |
Balance at Dec. 31, 2022 | (21,689) |  |  |  | $ 37 | 389,210 | (410,936)
Temporary equity, Balance (in shares) at Dec. 31, 2022 |  | 12,340 |  |  |  |  |
Temporary equity, Balance at Dec. 31, 2022 |  | $ 33,309 |  |  |  |  |
Balance (in shares) at Dec. 31, 2022 |  |  |  |  | 37,756,574 |  |
Stock-based compensation expense | 210 |  |  |  |  | 210 |
Issuance of common stock from stock grants | 2 |  |  |  |  | 2 |
Issuance of common stock from stock grants, shares |  |  |  |  | 3,251 |  |
Cash dividends paid | (206) |  |  |  |  | (206) |
CVR derivative liability | (4,530) |  |  |  |  | (4,530) |
Net income (loss) | 260 |  |  |  |  |  | 260
Balance at Mar. 31, 2023 | (25,953) |  |  |  | $ 37 | 384,686 | (410,676)
Temporary Equity, Balance (in shares) at Mar. 31, 2023 |  | 12,340 |  |  |  |  |
Temporary Equity, Balance at Mar. 31, 2023 |  | $ 33,309 |  |  |  |  |
Balance (in shares) at Mar. 31, 2023 |  |  |  |  | 37,759,825 |  |
Balance at Dec. 31, 2022 | $ (21,689) |  |  |  | $ 37 | 389,210 | (410,936)
Temporary equity, Balance (in shares) at Dec. 31, 2022 |  | 12,340 |  |  |  |  |
Temporary equity, Balance at Dec. 31, 2022 |  | $ 33,309 |  |  |  |  |
Balance (in shares) at Dec. 31, 2022 |  |  |  |  | 37,756,574 |  |
Issuance of common stock from option exercises, shares | 215,067 |  |  |  |  |  |
CVR derivative liability | $ (4,530) |  |  |  |  |  |
Net income (loss) | (3,788) |  |  |  |  |  |
Balance at Sep. 30, 2023 | 3,517 |  |  | $ 33,309 | $ 37 | 384,895 | (414,724)
Temporary Equity, Balance (in shares) at Sep. 30, 2023 |  | 0 |  |  |  |  |
Balance (in shares) at Sep. 30, 2023 |  |  |  | 12,340 | 37,978,142 |  |
Balance at Mar. 31, 2023 | (25,953) |  |  |  | $ 37 | 384,686 | (410,676)
Temporary equity, Balance (in shares) at Mar. 31, 2023 |  | 12,340 |  |  |  |  |
Temporary equity, Balance at Mar. 31, 2023 |  | $ 33,309 |  |  |  |  |
Balance (in shares) at Mar. 31, 2023 |  |  |  |  | 37,759,825 |  |
Stock-based compensation expense | 89 |  |  |  |  | 89 |
Issuance of common stock from option exercises | 22 |  |  |  |  | 22 |
Issuance of common stock from option exercises, shares |  |  |  |  | 215,067 |  |
Issuance of preferred stock for stock dividends, shares |  |  | 37,975 |  |  |  |
Net income (loss) | (2,472) |  |  |  |  |  | (2,472)
Balance at Jun. 30, 2023 | (28,314) |  |  |  | $ 37 | 384,797 | (413,148)
Temporary Equity, Balance (in shares) at Jun. 30, 2023 |  | 12,340 | 37,975 |  |  |  |
Temporary Equity, Balance at Jun. 30, 2023 |  | $ 33,309 |  |  |  |  |
Balance (in shares) at Jun. 30, 2023 |  |  |  |  | 37,974,892 |  |
Stock-based compensation expense | 98 |  |  |  |  | 98 |
Elimination and redemption of preferred stock, shares |  |  | 37,975 |  |  |  |
Issuance of common stock from stock grants, shares |  |  |  |  | 3,250 |  |
Temporary equity, Reclassification of preferred stock to permanent equity |  | $ (33,309) |  |  |  |  |
Temporary equity, Reclassification of preferred stock to permanent equity, shares |  | (12,340) |  |  |  |  |
Reclassification of preferred stock to permanent equity | 33,309 |  |  | $ 33,309 |  |  |
Reclassification of preferred stock to permanent equity, shares |  |  |  | 12,340 |  |  |
Net income (loss) | (1,576) |  |  |  |  |  | (1,576)
Balance at Sep. 30, 2023 | $ 3,517 |  |  | $ 33,309 | $ 37 | $ 384,895 | $ (414,724)
Temporary Equity, Balance (in shares) at Sep. 30, 2023 |  | 0 |  |  |  |  |
Balance (in shares) at Sep. 30, 2023 |  |  |  | 12,340 | 37,978,142 |  |

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