CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands | Total | Preferred Stock | Common Stock | Additional Paid-In Capital | Accumulated Other Comprehensive Income (Loss) | Retained Deficit |
Preferred stock, beginning balance (in shares) at Dec. 31, 2022 | | 149 | | | | |
Beginning balance at Dec. 31, 2022 | $ 314,771 | $ 0 | $ 181 | $ 2,345,612 | $ 9,242 | $ (2,040,264) |
Beginning balance (in shares) at Dec. 31, 2022 | | | 1,811,075 | | | |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | |
Net issuance of restricted stock awards, stock for employee stock options and stock for employee stock purchase plan and recognition of stock-based compensation (in shares) | | | 2,037 | | | |
Net issuance of restricted stock awards, stock for employee stock options and stock for employee stock purchase plan and recognition of stock-based compensation | 3,897 | | | 3,897 | | |
Series A Preferred Stock Dividends | (3,952) | | | (3,952) | | |
Other | 47 | | | 47 | | |
Other comprehensive income (loss) | (1,429) | | | | (1,429) | |
Net (loss) income | (3,480) | | | | | (3,480) |
Preferred stock, ending balance (in shares) at Mar. 31, 2023 | | 149 | | | | |
Ending balance at Mar. 31, 2023 | 309,854 | $ 0 | $ 181 | 2,345,604 | 7,813 | (2,043,744) |
Ending balance (in shares) at Mar. 31, 2023 | | | 1,813,112 | | | |
Preferred stock, beginning balance (in shares) at Dec. 31, 2022 | | 149 | | | | |
Beginning balance at Dec. 31, 2022 | 314,771 | $ 0 | $ 181 | 2,345,612 | 9,242 | (2,040,264) |
Beginning balance (in shares) at Dec. 31, 2022 | | | 1,811,075 | | | |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | |
Net (loss) income | (9,640) | | | | | |
Preferred stock, ending balance (in shares) at Sep. 30, 2023 | | 149 | | | | |
Ending balance at Sep. 30, 2023 | 383,366 | $ 0 | $ 188 | 2,424,073 | 9,009 | (2,049,904) |
Ending balance (in shares) at Sep. 30, 2023 | | | 1,876,120 | | | |
Preferred stock, beginning balance (in shares) at Mar. 31, 2023 | | 149 | | | | |
Beginning balance at Mar. 31, 2023 | 309,854 | $ 0 | $ 181 | 2,345,604 | 7,813 | (2,043,744) |
Beginning balance (in shares) at Mar. 31, 2023 | | | 1,813,112 | | | |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | |
Net issuance of restricted stock awards, stock for employee stock options and stock for employee stock purchase plan and recognition of stock-based compensation (in shares) | | | 860 | | | |
Net issuance of restricted stock awards, stock for employee stock options and stock for employee stock purchase plan and recognition of stock-based compensation | 2,510 | | | 2,510 | | |
Series A Preferred Stock Dividends | (2,644) | | | (2,644) | | |
Other | 47 | | | 47 | | |
Other comprehensive income (loss) | (1,307) | | | | (1,307) | |
Net (loss) income | 9 | | | | | 9 |
Fair value of Thermo guarantee associated with the 2023 Funding Agreement | 6,897 | | | 6,897 | | |
Preferred stock, ending balance (in shares) at Jun. 30, 2023 | | 149 | | | | |
Ending balance at Jun. 30, 2023 | 315,366 | $ 0 | $ 181 | 2,352,414 | 6,506 | (2,043,735) |
Ending balance (in shares) at Jun. 30, 2023 | | | 1,813,972 | | | |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | |
Net issuance of restricted stock awards, stock for employee stock options and stock for employee stock purchase plan and recognition of stock-based compensation (in shares) | | | 2,171 | | | |
Net issuance of restricted stock awards, stock for employee stock options and stock for employee stock purchase plan and recognition of stock-based compensation | 3,871 | | $ 1 | 3,870 | | |
Series A Preferred Stock Dividends | (2,673) | | | (2,673) | | |
Issuance of stock in connection with License Agreement with XCOM (in shares) | | | 59,977 | | | |
Issuance of stock in connection with License Agreement with XCOM | 70,421 | | $ 6 | 70,415 | | |
Other | 47 | | | 47 | | |
Other comprehensive income (loss) | 2,503 | | | | 2,503 | |
Net (loss) income | (6,169) | | | | | (6,169) |
Preferred stock, ending balance (in shares) at Sep. 30, 2023 | | 149 | | | | |
Ending balance at Sep. 30, 2023 | 383,366 | $ 0 | $ 188 | 2,424,073 | 9,009 | (2,049,904) |
Ending balance (in shares) at Sep. 30, 2023 | | | 1,876,120 | | | |
Preferred stock, beginning balance (in shares) at Dec. 31, 2023 | | 149 | | | | |
Beginning balance at Dec. 31, 2023 | 378,979 | $ 0 | $ 188 | 2,438,703 | 5,070 | (2,064,982) |
Beginning balance (in shares) at Dec. 31, 2023 | | | 1,881,195 | | | |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | |
Net issuance of restricted stock awards, stock for employee stock options and stock for employee stock purchase plan and recognition of stock-based compensation (in shares) | | | 2,739 | | | |
Net issuance of restricted stock awards, stock for employee stock options and stock for employee stock purchase plan and recognition of stock-based compensation | 11,794 | | | 11,794 | | |
Series A Preferred Stock Dividends | (2,644) | | | (2,644) | | |
Other | (272) | | | (272) | | |
Other comprehensive income (loss) | 2,393 | | | | 2,393 | |
Net (loss) income | (13,196) | | | | | (13,196) |
Preferred stock, ending balance (in shares) at Mar. 31, 2024 | | 149 | | | | |
Ending balance at Mar. 31, 2024 | 377,054 | $ 0 | $ 188 | 2,447,581 | 7,463 | (2,078,178) |
Ending balance (in shares) at Mar. 31, 2024 | | | 1,883,934 | | | |
Preferred stock, beginning balance (in shares) at Dec. 31, 2023 | | 149 | | | | |
Beginning balance at Dec. 31, 2023 | 378,979 | $ 0 | $ 188 | 2,438,703 | 5,070 | (2,064,982) |
Beginning balance (in shares) at Dec. 31, 2023 | | | 1,881,195 | | | |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | |
Net (loss) income | (12,945) | | | | | |
Preferred stock, ending balance (in shares) at Sep. 30, 2024 | | 149 | | | | |
Ending balance at Sep. 30, 2024 | 394,093 | $ 0 | $ 189 | 2,466,279 | 5,552 | (2,077,927) |
Ending balance (in shares) at Sep. 30, 2024 | | | 1,892,348 | | | |
Preferred stock, beginning balance (in shares) at Mar. 31, 2024 | | 149 | | | | |
Beginning balance at Mar. 31, 2024 | 377,054 | $ 0 | $ 188 | 2,447,581 | 7,463 | (2,078,178) |
Beginning balance (in shares) at Mar. 31, 2024 | | | 1,883,934 | | | |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | |
Net issuance of restricted stock awards, stock for employee stock options and stock for employee stock purchase plan and recognition of stock-based compensation (in shares) | | | 568 | | | |
Net issuance of restricted stock awards, stock for employee stock options and stock for employee stock purchase plan and recognition of stock-based compensation | 8,844 | | | 8,844 | | |
Series A Preferred Stock Dividends | (2,644) | | | (2,644) | | |
Issuance of stock in connection with License Agreement with XCOM (in shares) | | | 7,654 | | | |
Issuance of stock in connection with License Agreement with XCOM | 7,501 | | $ 1 | 7,500 | | |
Other | 39 | | | 39 | | |
Other comprehensive income (loss) | 1,864 | | | | 1,864 | |
Net (loss) income | (9,683) | | | | | (9,683) |
Preferred stock, ending balance (in shares) at Jun. 30, 2024 | | 149 | | | | |
Ending balance at Jun. 30, 2024 | 382,975 | $ 0 | $ 189 | 2,461,320 | 9,327 | (2,087,861) |
Ending balance (in shares) at Jun. 30, 2024 | | | 1,892,156 | | | |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | |
Net issuance of restricted stock awards, stock for employee stock options and stock for employee stock purchase plan and recognition of stock-based compensation (in shares) | | | 192 | | | |
Net issuance of restricted stock awards, stock for employee stock options and stock for employee stock purchase plan and recognition of stock-based compensation | 7,566 | | | 7,566 | | |
Series A Preferred Stock Dividends | (2,673) | | | (2,673) | | |
Other | 66 | | | 66 | | |
Other comprehensive income (loss) | (3,775) | | | | (3,775) | |
Net (loss) income | 9,934 | | | | | 9,934 |
Preferred stock, ending balance (in shares) at Sep. 30, 2024 | | 149 | | | | |
Ending balance at Sep. 30, 2024 | $ 394,093 | $ 0 | $ 189 | $ 2,466,279 | $ 5,552 | $ (2,077,927) |
Ending balance (in shares) at Sep. 30, 2024 | | | 1,892,348 | | | |