| BALANCE SHEET COMPONENTS |
BALANCE SHEET COMPONENTS Inventory Inventory consisted of the following (in thousands): | | | | | | | | | | | | | June 30, 2024 | | December 31, 2023 | | Finished goods | $ | 4,803 | | | $ | 3,658 | | | Work in progress | 4,014 | | | 5,191 | | | Raw materials | 10,417 | | | 10,622 | | | Total inventory | $ | 19,234 | | | $ | 19,471 | |
Accrued and Other Liabilities Accrued and other liabilities consisted of the following (in thousands): | | | | | | | | | | | | | June 30, 2024 | | December 31, 2023 | | Clinical studies | $ | 16,766 | | | $ | 15,744 | | | Professional fees | 6,091 | | | 5,911 | | | Short-term lease liability | 6,062 | | | 5,943 | | | Deferred revenue | 5,852 | | | 4,748 | | | Contingent consideration | 4,743 | | | 5,469 | | | Laboratory processing fees and materials | 3,431 | | | 2,890 | | | Deferred payments for intangible assets | 818 | | | 920 | | Travel and expenses | 767 | | | — | | | Accrued shipping expenses | 487 | | | 335 | | | Capital expenditures | 235 | | | 151 | | | Accrued royalty | 222 | | | 348 | | | License and other collaboration fees | — | | | 250 | | | Other accrued expenses | 1,979 | | | 2,788 | | | Total accrued and other liabilities | $ | 47,453 | | | $ | 45,497 | |
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