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Consolidated Statements of Shareholders' Equity (Unaudited) - USD ($) $ in Thousands | Total | Common Stock [Member] | Additional Paid-in Capital [Member] | Accumulated Other Comprehensive Loss [Member] | Retained Deficit [Member]
--- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2022 | $ 891,632 | $ 829 | $ 983,601 | $ (3,735) | $ (89,063)
Balance, Shares at Dec. 31, 2022 |  | 82,947,000 |  |  |
Net Income (Loss) | 14,206 |  |  |  | 14,206
Unrealized holding gain on investments, net of tax | 604 |  |  | 604 |
Common stock issued under employee stock purchase plan Value | 1,095 |  | 1,095 |  |
Common stock issued under employee stock purchase plan shares |  | 86,000 |  |  |
Issuance of restricted stock |  | $ 9 | (9) |  |
Issuance of restricted stock, shares |  | 871,000 |  |  |
Forfeitures of restricted stock |  | $ (2) | 2 |  |
Forfeitures of restricted stock, shares |  | (221,000) |  |  |
Stock-based compensation expense | 3,009 |  | 3,009 |  |
Repurchased common stock | (775) |  | (775) |  |
Repurchased common stock, shares |  | (49,000) |  |  |
Balance at Mar. 31, 2023 | 909,771 | $ 836 | 986,923 | (3,131) | (74,857)
Balance, Shares at Mar. 31, 2023 |  | 83,634,000 |  |  |
Balance at Dec. 31, 2022 | 891,632 | $ 829 | 983,601 | (3,735) | (89,063)
Balance, Shares at Dec. 31, 2022 |  | 82,947,000 |  |  |
Net Income (Loss) | 63,879 |  |  |  |
Balance at Sep. 30, 2023 | 967,985 | $ 839 | 995,847 | (3,517) | (25,184)
Balance, Shares at Sep. 30, 2023 |  | 83,929,000 |  |  |
Balance at Mar. 31, 2023 | 909,771 | $ 836 | 986,923 | (3,131) | (74,857)
Balance, Shares at Mar. 31, 2023 |  | 83,634,000 |  |  |
Net Income (Loss) | 28,282 |  |  |  | 28,282
Unrealized holding gain on investments, net of tax | (387) |  |  | (387) |
Common stock issued under employee stock purchase plan Value | 1,594 | $ 1 | 1,593 |  |
Common stock issued under employee stock purchase plan shares |  | 126,000 |  |  |
Issuance of restricted stock |  | $ 1 | (1) |  |
Issuance of restricted stock, shares |  | 93,000 |  |  |
Forfeitures of restricted stock, shares |  | (11,000) |  |  |
Stock-based compensation expense | 3,126 |  | 3,126 |  |
Repurchased common stock | (11) |  | (11) |  |
Repurchased common stock, shares |  | (1,000) |  |  |
Balance at Jun. 30, 2023 | 942,375 | $ 838 | 991,630 | (3,518) | (46,575)
Balance, Shares at Jun. 30, 2023 |  | 83,841,000 |  |  |
Net Income (Loss) | 21,391 |  |  |  | 21,391
Unrealized holding gain on investments, net of tax | 1 |  |  | 1 |
Common stock issued under employee stock purchase plan Value | 1,187 | $ 1 | 1,186 |  |
Common stock issued under employee stock purchase plan shares |  | 100,000 |  |  |
Forfeitures of restricted stock, shares |  | (1,000) |  |  |
Stock-based compensation expense | 3,164 |  | 3,164 |  |
Repurchased common stock | (133) |  | (133) |  |
Repurchased common stock, shares |  | (11,000) |  |  |
Balance at Sep. 30, 2023 | 967,985 | $ 839 | 995,847 | (3,517) | (25,184)
Balance, Shares at Sep. 30, 2023 |  | 83,929,000 |  |  |
Balance at Dec. 31, 2023 | 849,061 | $ 840 | 999,906 | (2,214) | (149,471)
Balance, Shares at Dec. 31, 2023 |  | 84,018,000 |  |  |
Net Income (Loss) | 4,035 |  |  |  | 4,035
Unrealized holding gain on investments, net of tax | 60 |  |  | 60 |
Common stock issued under employee stock purchase plan Value | 860 | $ 1 | 859 |  |
Common stock issued under employee stock purchase plan shares |  | 108,000 |  |  |
Forfeitures of restricted stock, shares |  | (21,000) |  |  |
Stock-based compensation expense | 3,067 |  | 3,067 |  |
Repurchased common stock | (887) | $ (1) | (886) |  |
Repurchased common stock, shares |  | (97,000) |  |  |
Balance at Mar. 31, 2024 | 856,196 | $ 840 | 1,002,946 | (2,154) | (145,436)
Balance, Shares at Mar. 31, 2024 |  | 84,008,000 |  |  |
Balance at Dec. 31, 2023 | 849,061 | $ 840 | 999,906 | (2,214) | (149,471)
Balance, Shares at Dec. 31, 2023 |  | 84,018,000 |  |  |
Net Income (Loss) | $ (129,549) |  |  |  |
Repurchased common stock, shares | 0 |  |  |  |
Balance at Sep. 30, 2024 | $ 732,492 | $ 859 | 1,010,862 | (209) | (279,020)
Balance, Shares at Sep. 30, 2024 |  | 85,866,000 |  |  |
Balance at Mar. 31, 2024 | 856,196 | $ 840 | 1,002,946 | (2,154) | (145,436)
Balance, Shares at Mar. 31, 2024 |  | 84,008,000 |  |  |
Net Income (Loss) | (153,025) |  |  |  | (153,025)
Unrealized holding gain on investments, net of tax | 200 |  |  | 200 |
Common stock issued under employee stock purchase plan Value | 1,149 | $ 2 | 1,147 |  |
Common stock issued under employee stock purchase plan shares |  | 139,000 |  |  |
Issuance of restricted stock |  | $ 16 | (16) |  |
Issuance of restricted stock, shares |  | 1,630,000 |  |  |
Forfeitures of restricted stock, shares |  | (22,000) |  |  |
Stock-based compensation expense | 1,952 |  | 1,952 |  |
Repurchased common stock | (11) |  | (11) |  |
Repurchased common stock, shares |  | (2,000) |  |  |
Balance at Jun. 30, 2024 | 706,461 | $ 858 | 1,006,018 | (1,954) | (298,461)
Balance, Shares at Jun. 30, 2024 |  | 85,753,000 |  |  |
Net Income (Loss) | 19,441 |  |  |  | 19,441
Unrealized holding gain on investments, net of tax | 1,745 |  |  | 1,745 |
Common stock issued under employee stock purchase plan Value | 897 | $ 1 | 896 |  |
Common stock issued under employee stock purchase plan shares |  | 149,000 |  |  |
Forfeitures of restricted stock, shares |  | (13,000) |  |  |
Stock-based compensation expense | 4,110 |  | 4,110 |  |
Repurchased common stock | (162) |  | (162) |  |
Repurchased common stock, shares |  | (23,000) |  |  |
Balance at Sep. 30, 2024 | $ 732,492 | $ 859 | $ 1,010,862 | $ (209) | $ (279,020)
Balance, Shares at Sep. 30, 2024 |  | 85,866,000 |  |  |

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