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Balance Sheet Account Details (Tables) | 12 Months Ended
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Dec. 31, 2023
Other Balance Sheet Details [Abstract] |
Schedule of Investment Categories | Excluding our investments in Viking, the following table summarizes the various investment categories at December 31, 2023 and 2022 (in thousands):
| Cost |  | Gross unrealized gains |  | Gross unrealized losses |  | Estimated fair value
December 31, 2023 |  |  |  |  |  |  |
Short-term investments |  |  |  |  |  |  |
Bond Fund | $ | 63,763 |  |  | $ | — |  |  | $ | (537) |  |  | $ | 63,226 |
Bank deposits | 17,165 |  |  | 12 |  |  | (1) |  |  | 17,176 |
Corporate bonds | 14,850 |  |  | 40 |  |  | (2) |  |  | 14,888 |
Commercial paper | 11,578 |  |  | 9 |  |  | (1) |  |  | 11,586 |
U.S. government securities | 6,736 |  |  | 18 |  |  | (3) |  |  | 6,751 |
Municipal bonds | 1,007 |  |  | — |  |  | (4) |  |  | 1,003 |
Corporate equity securities | 5,775 |  |  | — |  |  | (5,235) |  |  | 540 |
| $ | 120,874 |  |  | $ | 79 |  |  | $ | (5,783) |  |  | $ | 115,170 |
December 31, 2022 |  |  |  |  |  |  |
Short-term investments |  |  |  |  |  |  |
Bond fund | $ | 81,815 |  |  | $ | — |  |  | $ | (1050) |  |  | $ | 80,765 |
Commercial paper | 7,211 |  |  | 3 |  |  | — |  |  | 7,214 |
Corporate bonds | 6,701 |  |  | 13 |  |  | (58) |  |  | 6,656 |
Bank deposits | 5,012 |  |  | 2 |  |  | (34) |  |  | 4,980 |
U.S. government securities | 2,232 |  |  | — |  |  | (70) |  |  | 2,162 |
Corporate equity securities | 5,807 |  |  | 262 |  |  | (4,239) |  |  | 1,830 |
Warrants | — |  |  | 135 |  |  | — |  |  | 135 |
| $ | 108,778 |  |  | $ | 415 |  |  | $ | (5,451) |  |  | $ | 103,742 |
Schedule of Available-for-Sale Debt Securities by Contractual Maturity | The following table summarizes our available-for-sale debt securities by contractual maturity (in thousands):
| December 31, 2023
| Amortized Cost |  | Fair Value
Within one year | $ | 55,361 |  |  | $ | 55,380 |
After one year through five years | 13,478 |  |  | 13,524 |
Total | $ | 68,839 |  |  | $ | 68,904 |
Schedule of Available-for-Sale Debt Securities in an Unrealized Loss Position | The following table summarizes our available-for-sale debt securities in an unrealized loss position (in thousands):
| Less than 12 months |  | 12 months or greater |  | Total
| Gross Unrealized Losses |  | Estimated Fair Value |  | Gross Unrealized Losses |  | Estimated Fair Value |  | Gross Unrealized Losses |  | Estimated Fair Value
December 31, 2023 |  |  |  |  |  |  |  |  |  |  |
Bank deposits | $ | (1) |  |  | $ | 4,175 |  |  | $ | — |  |  | $ | — |  |  | $ | (1) |  |  | $ | 4,175 |
Corporate bonds | (1) |  |  | 1,410 |  |  | (1) |  |  | 1,447 |  |  | (2) |  |  | 2,857 |
Commercial paper | (4) |  |  | 10,222 |  |  | — |  |  | — |  |  | (4) |  |  | 10,222 |
Municipal bonds | (4) |  |  | 1,004 |  |  | — |  |  | — |  |  | (4) |  |  | 1,004 |
U.S. Government Securities | — |  |  | 998 |  |  | (3) |  |  | 1,502 |  |  | (3) |  |  | 2,500 |
Total | $ | (10) |  |  | $ | 17,809 |  |  | $ | (4) |  |  | $ | 2,949 |  |  | $ | (14) |  |  | $ | 20,758 |
December 31, 2022 |  |  |  |  |  |  |  |  |  |  |
Bank deposits | $ | (34) |  |  | $ | 2,470 |  |  | $ | — |  |  | $ | — |  |  | $ | (34) |  |  | $ | 2,470 |
Corporate bonds | (21) |  |  | 3,887 |  |  | (37) |  |  | 947 |  |  | (58) |  |  | 4,834 |
Commercial paper | — |  |  | 3,836 |  |  | — |  |  | — |  |  | — |  |  | 3,836 |
U.S. Government Securities | (70) |  |  | 2,161 |  |  | — |  |  | — |  |  | (70) |  |  | 2,161 |
Total | $ | (125) |  |  | $ | 12,354 |  |  | $ | (37) |  |  | $ | 947 |  |  | $ | (162) |  |  | $ | 13,301 |
Schedule of Property and Equipment | Property and equipment are stated at cost and consists of the following (in thousands):
| December 31,
| 2023 |  | 2022
Lab and office equipment | $ | 9,264 |  |  | $ | 14,172 |
Leasehold improvements | 12,282 |  |  | 7,446 |
Computer equipment and software | 716 |  |  | 989 |
| 22,262 |  |  | 22,607 |
Less accumulated depreciation and amortization | (6,655) |  |  | (10,125) |
| $ | 15,607 |  |  | $ | 12,482 |
Schedule of Goodwill and Other Identifiable Intangible Assets | Goodwill and identifiable intangible assets consist of the following (in thousands):
| December 31,
| 2023 |  | 2022
Indefinite-lived intangible assets |  |  |
Goodwill | $ | 103,370 |  |  | $ | 105,673 |
Definite-lived intangible assets |  |  |
Completed technology | 42,911 |  |  | 55,211 |
Less: Accumulated amortization | (20,894) |  |  | (22,560) |
Trade name | 2,642 |  |  | 2,642 |
Less: Accumulated amortization | (1,710) |  |  | (1,577) |
Customer relationships | 29,600 |  |  | 29,600 |
Less: Accumulated amortization | (19,161) |  |  | (17,670) |
Contractual relationships | 360,000 |  |  | 362,000 |
Less: Accumulated amortization | (93,782) |  |  | (65,191) |
Total goodwill and other identifiable intangible assets, net | $ | 402,976 |  |  | $ | 448,128 |
Schedule of Accrued Liabilities | Accrued liabilities consist of the following (in thousands):
| December 31,
| 2023 |  | 2022
Compensation | $ | 4,682 |  |  | $ | 6,201 |
Professional fees | 2,394 |  |  | 662 |
Customer deposit | 621 |  |  | 621 |
Amounts owed to former licensees | 45 |  |  | 3,989 |
Royalties owed to third parties | 900 |  |  | 12 |
Subcontractor | 1,756 |  |  | 1,756 |
Supplier | 303 |  |  | 634 |
Other | 1,766 |  |  | 1,806 |
| $ | 12,467 |  |  | $ | 15,681 |
Schedule of Other Long Term Liabilities | Other long-term liabilities consist of the following (in thousands):
| December 31,
| 2023 |  | 2022
Unrecognized tax benefits | $ | 14,039 |  |  | $ | 21,421 |
Novan contract liability | 13,700 |  |  | — |
Other long-term liabilities | 19 |  |  | 501 |
| $ | 27,758 |  |  | $ | 21,922 |
Schedule of Contingent Liabilities | The following table summarizes roll-forward of contingent liabilities as of December 31, 2023 and 2022 (in thousands):
| December 31, 2021 |  | Payments | Fair Value Adjustment | December 31, 2022 |  |  | Payments | Fair Value Adjustment | Repurchases | December 31, 2023
Cydex | $ | 349 |  |  | $ | — |  | $ | (265) |  | $ | 84 |  |  |  | $ | (50) |  | $ | 286 |  | $ | — |  | $ | 320 |
Metabasis | 3,358 |  |  | — |  | 71 |  | 3,429 |  |  |  | — |  | (551) |  | — |  | 2,878 |
Total | $ | 3,707 |  |  | $ | — |  | $ | (194) |  | $ | 3,513 |  |  |  | $ | (50) |  | $ | (265) |  | $ | — |  | $ | 3,198 |

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