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Segment Information - Summary of Operating Result Information for Each Reportable Segment (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
Revenue |  |
Revenue | $ 19,265 | $ 18,824
Cost of goods sold |  |
Cost of goods sold | 2,793 | 3,048
Gross profit |  |
Gross profit | 16,472 | 15,776
Operating expense | 31,195 | 33,344
Loss from operations | (14,723) | (17,568)
Investment income | 1,648 | 1,810
Interest expense | (1,204) | (1,276)
Loss on debt extinguishment | (1,962) | 0
Other expense, net | (8) | (19)
Loss before income tax | (16,249) | (17,053)
Surgical Glaucoma |  |
Revenue |  |
Revenue | 18,257 | 17,334
Cost of goods sold |  |
Cost of goods sold | 2,209 | 2,362
Gross profit |  |
Gross profit | 16,048 | 14,972
Dry Eye |  |
Revenue |  |
Revenue | 1,008 | 1,490
Cost of goods sold |  |
Cost of goods sold | 584 | 686
Gross profit |  |
Gross profit | $ 424 | $ 804

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