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Select Balance Sheet Details (Tables)
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3 Months Ended |
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Mar. 31, 2014
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| Balance Sheet Related Disclosures [Abstract] |
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| Accounts Receivable, Net |
Accounts receivable, net consist of the following (in thousands): | | | | | | | | | | March 31, 2014 | | December 31, 2013 | Accounts receivable | $ | 39,968 |
| | $ | 42,443 |
| Allowance for doubtful accounts | (1,130 | ) | | (1,048 | ) | Accounts receivables, net | $ | 38,838 |
| | $ | 41,395 |
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| Inventories, Net |
Inventories, net consist of the following (in thousands): | | | | | | | | | | | | | | | | | | | | | | | | | | March 31, 2014 | | December 31, 2013 | | Gross | | Reserve for excess and obsolete | | Net | | Gross | | Reserve for excess and obsolete | | Net | Raw materials | $ | 3,996 |
| | $ | — |
| | $ | 3,996 |
| | $ | 4,375 |
| | $ | — |
| | $ | 4,375 |
| Work-in-process | 645 |
| | — |
| | 645 |
| | 531 |
| | — |
| | 531 |
| Finished goods | 60,852 |
| | (22,951 | ) | | 37,901 |
| | 60,979 |
| | (23,946 | ) | | 37,033 |
| Inventories | $ | 65,493 |
| | $ | (22,951 | ) | | $ | 42,542 |
| | $ | 65,885 |
| | $ | (23,946 | ) | | $ | 41,939 |
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| Property and Equipment, Net |
Property and equipment, net consist of the following (in thousands except as indicated): | | | | | | | | | | | | Useful lives (in years) | | March 31, 2014 | | December 31, 2013 | Surgical instruments | 4 | | $ | 62,602 |
| | $ | 62,636 |
| Machinery and equipment | 7 | | 14,414 |
| | 14,692 |
| Computer equipment | 3 | | 3,143 |
| | 3,357 |
| Office furniture and equipment | 5 | | 3,861 |
| | 3,703 |
| Leasehold improvements | various | | 3,733 |
| | 4,161 |
| Building | 39 | | 77 |
| | 52 |
| Land | n/a | | 11 |
| | 10 |
| Construction in progress | n/a | | 1,270 |
| | 1,228 |
| | | | 89,111 |
| | 89,839 |
| Less accumulated depreciation and amortization | | | (60,975 | ) | | (61,809 | ) | Property and equipment, net | | | $ | 28,136 |
| | $ | 28,030 |
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| Intangible Assets, Net |
Intangible assets, net consist of the following (in thousands except for useful lives): | | | | | | | | | | | | Useful lives (in years) | | March 31, 2014 | | December 31, 2013 | Developed product technology | 3-8 | | $ | 23,641 |
| | $ | 23,633 |
| Distribution rights | 3 | | 2,388 |
| | 2,343 |
| Intellectual property | 5 | | 1,004 |
| | 1,004 |
| License agreements | 1-7 | | 16,716 |
| | 17,686 |
| Core technology | 10 | | 5,140 |
| | 5,137 |
| Trademarks and trade names | 3-9 | | 3,922 |
| | 3,920 |
| Customer-related | 12-15 | | 22,171 |
| | 22,161 |
| Distribution network | 10-12 | | 4,027 |
| | 4,027 |
| Physician education programs | 10 | | 3,163 |
| | 3,160 |
| Supply agreement | 10 | | 225 |
| | 225 |
| | | | 82,397 |
| | 83,296 |
| Less accumulated amortization | | | (45,221 | ) | | (44,232 | ) | Intangible assets, net | | | $ | 37,176 |
| | $ | 39,064 |
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| Schedule of Intangible assets, future amortization expense |
Future amortization expense related to intangible assets subject to amortization are as follows (in thousands): | | | | | Year Ending December 31, | | Remainder of 2014 | $ | 4,739 |
| 2015 | 6,060 |
| 2016 | 5,537 |
| 2017 | 5,240 |
| 2018 | 3,288 |
| Thereafter | 12,312 |
| | $ | 37,176 |
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| Schedule of Accrued Liabilities [Table Text Block] |
Accrued expenses consist of the following (in thousands): | | | | | | | | | | March 31, 2014 | | December 31, 2013 | Legal | $ | 1,376 |
| | $ | 2,139 |
| Accounting | 782 |
| | 928 |
| Severance | 173 |
| | 297 |
| Restructuring | 9,307 |
| | 9,170 |
| Sales milestones | 1,958 |
| | 1,828 |
| Accrued taxes | 924 |
| | 1,120 |
| Deferred rent | 1,073 |
| | 1,163 |
| Royalties | 2,436 |
| | 2,347 |
| Commissions | 4,376 |
| | 6,180 |
| Payroll and related | 10,196 |
| | 9,369 |
| Litigation settlements | 22,708 |
| | 22,600 |
| Other | 7,145 |
| | 5,855 |
| Total accrued expenses | $ | 62,454 |
| | $ | 62,996 |
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| Schedule of Changes in Carrying Amount of Goodwill |
The changes in the carrying amount of goodwill from December 31, 2013 through March 31, 2014 are as follows (in thousands): | | | | | | | Balance at December 31, 2013 | $ | 183,004 |
| Effect of foreign exchange rate on goodwill | 84 |
| Balance at March 31, 2014 | $ | 183,088 |
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