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v3.23.1

Stockholders' Equity (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2023 | Mar. 31, 2022
Common Stock |  |
Balance, beginning | $ 326,204 | $ 419,476
Balance (in shares) | 47,200,695 |
Shares issued under stock option and employee stock purchase plans | $ 694 | 304
Stock-based compensation | 4,340 | 3,153
Unrealized loss on marketable securities | 863 | (1,782)
Net loss | (29,361) | (23,050)
Balance, ending | $ 302,740 | 398,101
Balance (in shares) | 47,244,681 |
Aggregate gross offering price available | $ 50,000 |
Common Stock [Member] |  |
Common Stock |  |
Balance, beginning | $ 47 | $ 47
Balance (in shares) | 47,200,695 | 46,730,198
Shares issued under stock option and employee stock purchase plans | $ 0 |
Shares issued under stock option and employee stock purchase plans (in shares) | 43,986 | 24,150
Stock-based compensation | $ 0 |
Unrealized loss on marketable securities | 0 |
Net loss | 0 |
Balance, ending | $ 47 | $ 47
Balance (in shares) | 47,244,681 | 46,754,348
Additional Paid-in Capital [Member] |  |
Common Stock |  |
Balance, beginning | $ 1,580,829 | $ 1,561,142
Shares issued under stock option and employee stock purchase plans | 694 | 304
Stock-based compensation | 4,340 | 3,153
Unrealized loss on marketable securities | 0 |
Net loss | 0 |
Balance, ending | 1,585,863 | 1,564,599
AOCI Attributable to Parent [Member] |  |
Common Stock |  |
Balance, beginning | 1,260 | 1,894
Shares issued under stock option and employee stock purchase plans | 0 |
Stock-based compensation | 0 |
Unrealized loss on marketable securities | 863 | (1,782)
Net loss | 0 |
Balance, ending | 2,123 | 112
Retained Earnings [Member] |  |
Common Stock |  |
Balance, beginning | (1,255,932) | (1,143,607)
Shares issued under stock option and employee stock purchase plans | 0 |
Stock-based compensation | 0 |
Unrealized loss on marketable securities | 0 |
Net loss | (29,361) | (23,050)
Balance, ending | $ (1,285,293) | $ (1,166,657)

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