| Balance Sheet Related Disclosures [Abstract] | Period [Axis] |
|---|
2016-01-01 - 2016-12-31 |
|---|
Balance Sheet Related Disclosures [Abstract] | |
Allowance for Credit Losses on Financing Receivables | The following is a summary of activity in our allowance for doubtful accounts for the periods presented (in thousands): | | | | | | | | | | | | | | | | December 31, | | | 2016 | | 2015 | | 2014 | Allowance - beginning of period | | $ | (421 | ) | | $ | (428 | ) | | $ | (460 | ) | Provision for bad debts | | — |
| | — |
| | (11 | ) | Recoveries from bad debts | | — |
| | 7 |
| | — |
| Write-offs and other | | — |
| | — |
| | 43 |
| Allowance - end of period | | $ | (421 | ) | | $ | (421 | ) | | $ | (428 | ) |
|
Schedule of inventory components | Inventories consisted of the following (in thousands): | | | | | | | | | | December 31, | | 2016 | | 2015 | Raw materials (1) | $ | 118 |
| | $ | 262 |
| Work in process (2) | 59 |
| | — |
| Finished goods (2) | 648 |
| | 730 |
| Total | $ | 825 |
| | $ | 992 |
|
| | (1) | Raw materials include active pharmaceutical ingredients and other raw materials. |
| | (2) | Work-in-process and finished goods include third party manufacturing costs and labor and indirect costs we incur in the production process. |
|
Property and Equipment, net | Property, equipment and leasehold improvements are stated at cost less accumulated depreciation and amortization and depreciated using the straight-line method over their estimated useful lives as follows: | | | | | Asset classification | Estimated useful life | | Laboratory equipment | 5 years | | | | | Computer equipment and software | 3 to 5 years | | | | | Office equipment and furniture | 5 years | | | | | Leasehold improvements | Lesser of useful life or lease term |
Property and equipment, net consisted of the following (in thousands): | | | | | | | | | | December 31, | | 2016 | | 2015 | Laboratory equipment (1) | $ | 18,849 |
| | $ | 20,503 |
| Leasehold improvements | 10,395 |
| | 10,369 |
| Computer equipment and software | 3,267 |
| | 3,271 |
| Office equipment and furniture | 1,171 |
| | 1,178 |
| Construction in progress (2) | 124 |
| | 3 |
| Property and equipment | 33,806 |
| | 35,324 |
| Less: accumulated depreciation and amortization | (31,651 | ) | | (32,215 | ) | Property and equipment, net | $ | 2,155 |
| | $ | 3,109 |
|
| | (1) | Fully depreciated laboratory equipment with a cost of $2.3 million was retired during 2016. |
| | (2) | Construction in progress includes equipment received but not yet placed into service pending installation. |
|
Intangible Assets | Intangible assets consisted of the following (in thousands): | | | | | | | | | | | | | | | | | | | | | | | | | | | | December 31, 2016 | | December 31, 2015 | | | | Gross Carrying Amount | | Accumulated Amortization | | Net Carrying Amount | | Gross Carrying Amount | | Accumulated Amortization | | Net Carrying Amount | | Weighted- Average Amortization Period | | | | | | | | | | (in years) | Developed and core technology | $ | 1,534 |
| | $ | (1,534 | ) | | $ | — |
| | $ | 1,534 |
| | $ | (1,534 | ) | | $ | — |
| | 5 | Maxygen intellectual property | 20,244 |
| | (20,244 | ) | | — |
| | 20,244 |
| | (17,432 | ) | | 2,812 |
| | 6 | Total | $ | 21,778 |
| | $ | (21,778 | ) | | $ | — |
| | $ | 21,778 |
| | $ | (18,966 | ) | | $ | 2,812 |
| | |
|
Schedule of accrued liabilities | Other accrued liabilities consisted of the following (in thousands): | | | | | | | | | | December 31, | | 2016 | | 2015 | Accrued purchase (1) | $ | 67 |
| | $ | 430 |
| Accrued professional and outside service fees | 746 |
| | 498 |
| Deferred rent | 168 |
| | 143 |
| Lease incentive obligation | 425 |
| | 425 |
| Other | 705 |
| | 517 |
| Total | $ | 2,111 |
| | $ | 2,013 |
|
| | (1) | Amount represents products and services received but have not been billed as of December 31, 2016 and 2015. |
|