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Other Balance Sheet Details (Tables) | 12 Months Ended
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Dec. 31, 2016
Other Balance Sheet Details [Abstract] |
Schedule of investment categories | The following table summarizes the various investment categories at December 31, 2016 and 2015 (in thousands):
| Cost |  | Gross unrealized gains |  | Gross unrealized losses |  | Estimated fair value
December 31, 2016 |  |  |  |  |  |  |
Short-term investments |  |  |  |  |  |  |
Bank deposits | $ | 40,715 |  |  | $ | 19 |  |  | $ | — |  |  | $ | 40,734 |
Corporate bonds | 11,031 |  |  | — |  |  | (5 | ) |  | 11,026 |
Corporate equity securities | 1,512 |  |  | 1,542 |  |  | — |  |  | 3,054 |
Commercial paper | 33,074 |  |  | 2 |  |  | (9 | ) |  | 33,067 |
Agency bonds | 7,294 |  |  | 1 |  |  | — |  |  | 7,295 |
U.S. Government bonds | 7,508 |  |  | — |  |  | (1 | ) |  | 7,507 |
Municipal bonds | 19,624 |  |  | — |  |  | (11 | ) |  | 19,613 |
| $ | 120,758 |  |  | $ | 1,564 |  |  | $ | (26 | ) |  | $ | 122,296 |
December 31, 2015 |  |  |  |  |  |  |
Short-term investments |  |  |  |  |  |  |
Bank deposits | $ | 43,043 |  |  | $ | — |  |  | $ | (4 | ) |  | $ | 43,039 |
Corporate bonds | 41,238 |  |  | — |  |  | (35 | ) |  | 41,203 |
Commercial paper | 1,747 |  |  | — |  |  | — |  |  | 1,747 |
Asset backed securities | 10,020 |  |  | — |  |  | (5 | ) |  | 10,015 |
Corporate equity securities | 1,843 |  |  | 4,944 |  |  | — |  |  | 6,787 |
| $ | 97,891 |  |  | $ | 4,944 |  |  | $ | (44 | ) |  | $ | 102,791 |
Schedule of other current assets | Other current assets consist of the following (in thousands):
| December 31,
| 2016 |  | 2015
Prepaid expenses | $ | 1,864 |  |  | $ | 1,177 |
Other receivables | 311 |  |  | 731 |
| $ | 2,175 |  |  | $ | 1,908 |
Schedule of property and equipment | Property and equipment is stated at cost and consists of the following (in thousands):
| December 31,
| 2016 |  | 2015
Lab and office equipment | $ | 1,067 |  |  | $ | 2,248 |
Leasehold improvements | 1,754 |  |  | 273 |
Computer equipment and software | 569 |  |  | 632 |
| 3,390 |  |  | 3,153 |
Less accumulated depreciation and amortization | (1,571 | ) |  | (2,781 | )
| $ | 1,819 |  |  | $ | 372 |
Summary of goodwill and other identifiable intangible assets | Goodwill and identifiable intangible assets consist of the following (in thousands):
| December 31,
| 2016 |  | 2015
Indefinite lived intangible assets |  |  |
IPR&D | $ | 12,246 |  |  | $ | 12,556 |
Goodwill | 72,207 |  |  | 12,238 |
Definite lived intangible assets |  |  |
Complete technology | 182,577 |  |  | 15,267 |
Less: Accumulated amortization | (12,792 | ) |  | (3,762 | )
Trade name | 2,642 |  |  | 2,642 |
Less: Accumulated amortization | (784 | ) |  | (652 | )
Customer relationships | 29,600 |  |  | 29,600 |
Less: Accumulated amortization | (8,784 | ) |  | (7,304 | )
Total goodwill and other identifiable intangible assets, net | $ | 276,912 |  |  | $ | 60,585 |
Schedule of commercial license rights | Commercial license rights consist of the following (in thousands):
| December 31, |  | December 31,
| 2016 |  | 2015
CorMatrix | $ | 17,696 |  |  | $ | — |
Selexis | 8,602 |  |  | 8,602 |
| 26,298 |  |  | 8,602 |
Less: accumulated amortization | (477 | ) |  | (48 | )
Total commercial rights, net | $ | 25,821 |  |  | $ | 8,554 |
Schedule of accrued liabilities | Accrued liabilities consist of the following (in thousands):
| December 31,
| 2016 |  | 2015
Compensation | $ | 2,603 |  |  | $ | 1,711 |
Legal | 829 |  |  | 726 |
Amounts owed to former licensees | 899 |  |  | 915 |
Royalties owed to third parties | 942 |  |  | 823 |
Other | 1,124 |  |  | 1,230 |
| $ | 6,397 |  |  | $ | 5,405 |
Schedule of contingent liabilities | Contingent liabilities consist of the following (in millions):
| December 31, 2014 | Payments | Fair Value Adjustment | December 31, 2015 | Payments | Fair Value Adjustment | December 31, 2016
Cydex | $ | 11.5 |  | $ | (5.8 | ) | $ | 3.8 |  | $ | 9.5 |  | (6.2 | ) | $ | 3.3 |  | $ | 6.6 |
Metabasis | 3.7 |  | (0.9 | ) | 1.2 |  | 4.0 |  | (2.6 | ) | 0.1 |  | 1.5 |
Total | 15.2 |  | (6.7 | ) | 5.0 |  | 13.5 |  | (8.8 | ) | 3.4 |  | 8.1 |
Schedule of other long-term liabilities | Other long-term liabilities consist of the following (in thousands):
| December 31,
| 2016 |  | 2015
Deferred rent | $ | 357 |  |  | $ | — |
Deposits | 43 |  |  | 268 |
Other | 287 |  |  | 29 |
| $ | 687 |  |  | $ | 297 |

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