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Balance Sheet Account Details (Tables) | 12 Months Ended
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Dec. 31, 2022
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, 2022 and 2021 (in thousands):
| Cost |  | Gross unrealized gains |  | Gross unrealized losses |  | Estimated fair value
December 31, 2022 |  |  |  |  |  |  |
Short-term investments |  |  |  |  |  |  |
Mutual Funds | $ | 81,815 |  |  | $ | — |  |  | $ | (1050) |  |  | $ | 80,765 |
Bank deposits | 5,012 |  |  | 2 |  |  | (34) |  |  | 4,980 |
Commercial paper | 7,211 |  |  | 3 |  |  | — |  |  | 7,214 |
Corporate bonds | 6,701 |  |  | 13 |  |  | (58) |  |  | 6,656 |
Corporate equity securities | 5,807 |  |  | 262 |  |  | (4,239) |  |  | 1,830 |
U.S. government securities | 2,232 |  |  | — |  |  | (70) |  |  | 2,162 |
Warrants | — |  |  | 135 |  |  | — |  |  | 135 |
| $ | 108,778 |  |  | $ | 415 |  |  | $ | (5,451) |  |  | $ | 103,742 |
December 31, 2021 |  |  |  |  |  |  |
Short-term investments |  |  |  |  |  |  |
Mutual fund | $ | 152,136 |  |  | $ | — |  |  | $ | (249) |  |  | $ | 151,887 |
Bank deposits | 63,389 |  |  | 13 |  |  | (21) |  |  | 63,381 |
Commercial paper | 36,008 |  |  | 2 |  |  | (12) |  |  | 35,998 |
Corporate bonds | 29,308 |  |  | 17 |  |  | (38) |  |  | 29,287 |
Corporate equity securities | 5,807 |  |  | 402 |  |  | (2,027) |  |  | 4,182 |
U.S. government securities | 5,577 |  |  | — |  |  | (23) |  |  | 5,554 |
Warrants | — |  |  | 408 |  |  | — |  |  | 408 |
| $ | 292,225 |  |  | $ | 842 |  |  | $ | (2,370) |  |  | $ | 290,697 |
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, 2022
| Amortized Cost |  | Fair Value
Within one year | $ | 57,158 |  |  | $ | 57,036 |
After one year through five years | 2,794 |  |  | 2,769 |
Total | $ | 59,952 |  |  | $ | 59,805 |
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, 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 |
December 31, 2021 |  |  |  |  |  |  |  |  |  |  |
Bank deposits | $ | (13) |  |  | $ | 20,008 |  |  | $ | — |  |  | $ | — |  |  | $ | (13) |  |  | $ | 20,008 |
Corporate bonds | (15) |  |  | 27,252 |  |  | (5) |  |  | 2,996 |  |  | (20) |  |  | 30,248 |
Commercial paper | (6) |  |  | 6,689 |  |  | (32) |  |  | 10,125 |  |  | (38) |  |  | 16,814 |
U.S. Government Securities | — |  |  | — |  |  | (23) |  |  | 5,553 |  |  | (23) |  |  | 5,553 |
Total | $ | (34) |  |  | $ | 53,949 |  |  | $ | (60) |  |  | $ | 18,674 |  |  | $ | (94) |  |  | $ | 72,623 |
Schedule of Property and Equipment | Property and equipment are stated at cost and consists of the following (in thousands):
| December 31,
| 2022 |  | 2021
Lab and office equipment | $ | 14,172 |  |  | $ | 13,417 |
Leasehold improvements | 7,446 |  |  | 5,265 |
Computer equipment and software | 989 |  |  | 924 |
| 22,607 |  |  | 19,606 |
Less accumulated depreciation and amortization | (10,125) |  |  | (6,415) |
| $ | 12,482 |  |  | $ | 13,191 |
Schedule of Goodwill and Other Identifiable Intangible Assets | Goodwill and identifiable intangible assets consist of the following (in thousands):
| December 31,
| 2022 |  | 2021
Indefinite-lived intangible assets |  |  |
Goodwill | $ | 105,673 |  |  | $ | 105,673 |
Definite-lived intangible assets |  |  |
Complete technology | 55,211 |  |  | 55,211 |
Less: Accumulated amortization | (22,560) |  |  | (18,916) |
Trade name | 2,642 |  |  | 2,642 |
Less: Accumulated amortization | (1,577) |  |  | (1,444) |
Customer relationships | 29,600 |  |  | 29,600 |
Less: Accumulated amortization | (17,670) |  |  | (16,184) |
Contractual relationships | 362,000 |  |  | 362,000 |
Less: Accumulated amortization | (65,191) |  |  | (36,218) |
Total goodwill and other identifiable intangible assets, net | $ | 448,128 |  |  | $ | 482,364 |
Schedule of Accrued Liabilities | Accrued liabilities consist of the following (in thousands):
| December 31,
| 2022 |  | 2021
Compensation | $ | 6,201 |  |  | $ | 6,532 |
Professional fees | 662 |  |  | 2,046 |
Amounts owed to former licensees | 3,989 |  |  | 630 |
Royalties owed to third parties | 12 |  |  | 149 |
Return reserve and customer refunds | — |  |  | 2,420 |
Acquisition related liabilities | — |  |  | 1,000 |
Subcontractor | — |  |  | 1,759 |
Supplier | 634 |  |  | 848 |
Other | 4,183 |  |  | 2,195 |
| $ | 15,681 |  |  | $ | 17,579 |
Schedule of Contingent Liabilities | The following table summarizes roll-forward of contingent liabilities as of December 2022 and 2021 (in thousands):
| December 31, 2020 |  | Payments | Fair Value Adjustment | December 31, 2021 |  |  | Payments | Fair Value Adjustment | Repurchases | December 31, 2022
Cydex | $ | 507 |  |  | $ | (50) |  | $ | (108) |  | $ | 349 |  |  |  | $ | — |  | $ | (265) |  | $ | — |  | $ | 84 |
Metabasis | 3,822 |  |  | — |  | (464) |  | 3,358 |  |  |  | — |  | 71 |  | — |  | 3,429 |
Pfenex | 37,600 |  |  | — |  | (37,600) |  | — |  |  |  | — |  | — |  | — |  | — |
Total | $ | 41,929 |  |  | $ | (50) |  | $ | (38,172) |  | $ | 3,707 |  |  |  | $ | — |  | $ | (194) |  | $ | — |  | $ | 3,513 |

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