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Balance Sheet Details (Tables) | 12 Months Ended
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Dec. 31, 2015
Balance Sheet Related Disclosures [Abstract] |
Accounts Receivable | Accounts receivable consist of the following (in thousands):
| December 31,
| 2015 |  | 2014
Accounts receivable | $ | 39,380 |  |  | $ | 41,233 |
Less allowance for doubtful accounts | (1,061 | ) |  | (793 | )
Accounts receivables, net | $ | 38,319 |  |  | $ | 40,440 |
Inventories | Inventories consist of the following (in thousands):
| December 31,
| 2015 |  | 2014
Raw materials | $ | 7,237 |  |  | $ | 5,020 |
Work-in-process | 1,908 |  |  | 1,032 |
Finished goods | 55,393 |  |  | 57,020 |
| 64,538 |  |  | 63,072 |
Less reserve for excess and obsolete finished goods | (19,630 | ) |  | (21,325 | )
Inventories, net | $ | 44,908 |  |  | $ | 41,747 |
Property and Equipment | Property and equipment consist of the following (in thousands except for useful lives):
| Useful lives (in years) |  | December 31,
2015 |  | 2014
Surgical instruments | 4 |  | $ | 65,723 |  |  | $ | 62,872 |
Machinery and equipment | 7 |  | 15,520 |  |  | 15,382 |
Computer equipment | 3 |  | 3,984 |  |  | 3,180 |
Office furniture and equipment | 5 |  | 3,746 |  |  | 3,789 |
Leasehold improvements | various |  | 3,856 |  |  | 3,841 |
Building | 39 |  | 65 |  |  | 65 |
Land | n/a |  | 9 |  |  | 9 |
Construction in progress | n/a |  | 354 |  |  | 1,320 |
|  |  | 93,257 |  |  | 90,458 |
Less accumulated depreciation and amortization |  |  | (71,312 | ) |  | (64,418 | )
Property and equipment, net |  |  | $ | 21,945 |  |  | $ | 26,040 |
Intangible Assets | Intangible assets consist of the following (in thousands except for useful lives):
| Remaining Avg. Useful lives (in years) |  | December 31,
2015 |  | 2014
Developed product technology | 1 |  | $ | 21,633 |  |  | $ | 22,526 |
Distribution rights | 4 |  | 2,100 |  |  | 2,095 |
Intellectual property | — |  | 1,004 |  |  | 1,004 |
License agreements | 1 |  | 16,714 |  |  | 16,716 |
Core technology | 4 |  | 4,086 |  |  | 4,554 |
Trademarks and trade names | 2 |  | 3,245 |  |  | 3,559 |
Customer-related | 9 |  | 19,169 |  |  | 20,493 |
Distribution network | 5 |  | 4,027 |  |  | 4,027 |
Physician education programs | — |  | 2,513 |  |  | 2,802 |
Supply agreement | — |  | 225 |  |  | 225 |
|  |  | 74,716 |  |  | 78,001 |
Less accumulated amortization |  |  | (53,100 | ) |  | (47,742 | )
Intangible assets, net |  |  | $ | 21,616 |  |  | $ | 30,259 |
Future Expected Amortization Expense Related to Intangible Assets | The future expected amortization expense related to intangible assets as of December 31, 2015 is as follows (in thousands):
Year Ending December 31, |
2016 | $ | 4,001 |
2017 | 3,995 |
2018 | 2,844 |
2019 | 2,410 |
2020 | 1,811 |
Thereafter | 6,555 |
Total | $ | 21,616 |
Goodwill | The changes in the carrying amount of goodwill from December 31, 2014 through December 31, 2015 were as follows (in thousands):
| 2015 |  | 2014
Balance at January 1 | $ | 171,333 |  |  | $ | 183,004 |
Impairment charge | (164,266 | ) |  | — |
Effect of foreign exchange rate on goodwill | (7,067 | ) |  | (11,671 | )
Balance at December 31 | $ | — |  |  | $ | 171,333 |
Accrued Expenses | Accrued expenses consist of the following (in thousands):
| December 31,
| 2015 |  | 2014
Commissions and sales milestones | $ | 5,920 |  |  | $ | 6,259 |
Payroll and payroll related | 5,577 |  |  | 8,291 |
Litigation settlements | 4,400 |  |  | 7,393 |
Accrued professional fees | 2,203 |  |  | 2,342 |
Royalties | 1,578 |  |  | 2,129 |
Restructuring and severance accruals | 1,358 |  |  | 849 |
Accrued taxes | 1,074 |  |  | 1,344 |
Accrued interest | 999 |  |  | 946 |
Other | 6,682 |  |  | 5,840 |
Total accrued expenses | $ | 29,791 |  |  | $ | 35,393 |

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