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Balance Sheet Account Details (Tables) | 12 Months Ended
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Dec. 31, 2021
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, 2021 and 2020 (in thousands):
| Cost |  | Gross unrealized gains |  | Gross unrealized losses |  | Estimated fair value
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 |
December 31, 2020 |  |  |  |  |  |  |
Short-term investments |  |  |  |  |  |  |
Mutual fund | $ | 151,512 |  |  | 386 |  |  | $ | — |  |  | $ | 151,898 |
Bank deposits | 84,120 |  |  | 35 |  |  | (1) |  |  | $ | 84,154 |
Commercial paper | 45,459 |  |  | 27 |  |  | (1) |  |  | $ | 45,485 |
Corporate bonds | 30,512 |  |  | 99 |  |  | (1) |  |  | $ | 30,610 |
Agency bonds | 4,499 |  |  | 2 |  |  | — |  |  | $ | 4,501 |
Corporate equity securities | 4,466 |  |  | 360 |  |  | (1,388) |  |  | $ | 3,438 |
Treasury bills | 3,999 |  |  | — |  |  | — |  |  | $ | 3,999 |
Warrants | — |  |  | 393 |  |  | — |  |  | $ | 393 |
| $ | 324,567 |  |  | $ | 1,302 |  |  | $ | (1,391) |  |  | $ | 324,478 |
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, 2021
| Amortized Cost |  | Fair Value
Within one year | $ | 111,334 |  |  | $ | 111,315 |
After one year through five years | 24,952 |  |  | 24,909 |
After five years | — |  |  | — |
Total | $ | 136,286 |  |  | $ | 136,224 |
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, 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 |
December 31, 2020 |  |  |  |  |  |  |  |  |  |  |
Bank deposits | $ | (1) |  |  | $ | 14,013 |  |  | $ | — |  |  | $ | — |  |  | $ | (1) |  |  | $ | 14,013 |
Corporate bonds | (1) |  |  | 4,526 |  |  | — |  |  | — |  |  | (1) |  |  | 4,526 |
Commercial paper | (1) |  |  | 7,693 |  |  | — |  |  | — |  |  | (1) |  |  | 7,693 |
Total | $ | (3) |  |  | $ | 26,232 |  |  | $ | — |  |  | $ | — |  |  | $ | (3) |  |  | $ | 26,232 |
Schedule of Property and Equipment | Property and equipment are stated at cost and consists of the following (in thousands):
| December 31,
| 2021 |  | 2020
Lab and office equipment | $ | 20,183 |  |  | $ | 14,666 |
Leasehold improvements | 7,983 |  |  | 3,519 |
Computer equipment and software | 1,056 |  |  | 1056 |
| 29,222 |  |  | 19,241 |
Less accumulated depreciation and amortization | (8,711) |  |  | (4,807) |
| $ | 20,511 |  |  | $ | 14,434 |
Schedule of Goodwill and Other Identifiable Intangible Assets | Goodwill and identifiable intangible assets consist of the following (in thousands):
| December 31,
| 2021 |  | 2020
Indefinite-lived intangible assets |  |  |
Goodwill | $ | 181,206 |  |  | $ | 189,662 |
Definite-lived intangible assets |  |  |
Complete technology | 280,617 |  |  | 277,740 |
Less: Accumulated amortization | (78,991) |  |  | (63,600) |
Trade name | 2,642 |  |  | 2,642 |
Less: Accumulated amortization | (1,444) |  |  | (1,312) |
Customer relationships | 40,700 |  |  | 40,700 |
Less: Accumulated amortization | (18,267) |  |  | (15,597) |
Contractual relationships | 362,000 |  |  | 362,000 |
Less: Accumulated amortization | (36,217) |  |  | (7,243) |
Total goodwill and other identifiable intangible assets, net | $ | 732,246 |  |  | $ | 784,992 |
Schedule of Accrued Liabilities | Accrued liabilities consist of the following (in thousands):
| December 31,
| 2021 |  | 2020
Compensation | $ | 6,532 |  |  | $ | 8,810 |
Professional fees | 2,046 |  |  | 977 |
Amounts owed to former licensees | 630 |  |  | 421 |
Royalties owed to third parties | 149 |  |  | 693 |
Return reserve and customer refunds | 2,420 |  |  | 687 |
Acquisition related liabilities | 1,000 |  |  | 1,500 |
Subcontractor | 1,759 |  |  | 733 |
Supplier | 848 |  |  | 604 |
Other | 2,195 |  |  | 4,105 |
| $ | 17,579 |  |  | $ | 18,530 |
Schedule of Contingent Liabilities | The following table summarizes roll-forward of contingent liabilities as of December 2021 and 2020 (in thousands):
| December 31, 2019 | Additional Contingent Liabilities | Payments | Fair Value Adjustment | Repurchases | December 31, 2020 |  |  | Payments | Fair Value Adjustment | Repurchases | December 31, 2021
Cydex | $ | 348 |  | $ | — |  | $ | — |  | $ | 160 |  | $ | — |  | $ | 508 |  |  |  | $ | (50) |  | $ | (108) |  | $ | — |  | $ | 350 |
Metabasis | 5,935 |  | — |  | — |  | (1,867) |  | (247) |  | 3,821 |  |  |  | — |  | (464) |  | — |  | 3,357 |
Crystal | 2,659 |  | — |  | (1,800) |  | (59) |  | — |  | 800 |  |  |  | — |  | (800) |  | — |  | — |
Icagen | — |  | 4,800 |  | (525) |  | 2,129 |  | — |  | 6,404 |  |  |  | (1,050) |  | 2,010 |  | — |  | 7,364 |
Pfenex | — |  | 37,000 |  | — |  | 600 |  | — |  | 37,600 |  |  |  | — |  | (37,600) |  | — |  | — |
xCella | — |  | — |  | — |  | — |  | — |  | — |  |  |  | (720) |  | 720 |  | — |  | — |
Total | $ | 8,942 |  | $ | 41,800 |  | $ | (2,325) |  | $ | 963 |  | $ | (247) |  | $ | 49,133 |  |  |  | $ | (1,820) |  | $ | (36,242) |  | $ | — |  | $ | 11,071 |

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