| Schedule of Intangible Assets |
The following table summarizes details of the Company’s intangible assets: | | | | | | | | | | | | | | | | Estimated Useful Lives | | Gross Value | | Accumulated Amortization | | Net Value | | (in thousands, except estimated useful lives) | Balance at January 31, 2015 | | | | | | | | Existing technology | 3 to 7 years | | $ | 41,383 |
| | $ | (32,505 | ) | | $ | 8,878 |
| Patents | 2 to 13 years | | 14,636 |
| | (6,537 | ) | | 8,099 |
| Customer contracts | 4 to 7 years | | 7,533 |
| | (6,758 | ) | | 775 |
| Support agreements | 5 to 6 years | | 2,917 |
| | (2,856 | ) | | 61 |
| Tradenames and trademarks | 1 to 5 years | | 1,150 |
| | (917 | ) | | 233 |
| Non-compete agreements | 2 to 4 years | | 912 |
| | (879 | ) | | 33 |
| Total | | | $ | 68,531 |
| | $ | (50,452 | ) | | $ | 18,079 |
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In the second quarter of fiscal 2015, the Company entered into a perpetual patent license agreement for $2.8 million to support its product development and research and development activities.
| | | | | | | | | | | | | | | | Estimated Useful Lives | | Gross Value | | Accumulated Amortization | | Net Value | | (in thousands, except estimated useful lives) | Balance at July 31, 2014 | | | | | | | | Existing technology | 3 to 7 years | | $ | 41,383 |
| | $ | (29,196 | ) | | $ | 12,187 |
| Patents | 2 to 13 years | | 11,796 |
| | (5,881 | ) | | 5,915 |
| Customer contracts | 4 to 7 years | | 7,533 |
| | (6,536 | ) | | 997 |
| Support agreements | 5 to 6 years | | 2,917 |
| | (2,839 | ) | | 78 |
| Tradenames and trademarks | 1 to 5 years | | 1,150 |
| | (867 | ) | | 283 |
| Non-compete agreements | 2 to 4 years | | 912 |
| | (867 | ) | | 45 |
| Total | | | $ | 65,691 |
| | $ | (46,186 | ) | | $ | 19,505 |
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| Summary of Amortization Expense of Intangible Assets |
The following table summarizes the amortization expense related to intangible assets recorded in the Condensed Consolidated Statements of Operations: | | | | | | | | | | | | | | | | | | Three Months Ended January 31, | | Six Months Ended January 31, | | 2015 | | 2014 | | 2015 | | 2014 | | (in thousands) | Cost of product revenue | $ | 1,941 |
| | $ | 2,025 |
| | $ | 3,936 |
| | $ | 4,030 |
| Sales and marketing | 144 |
| | 353 |
| | 288 |
| | 706 |
| Research and development | 6 |
| | 6 |
| | 13 |
| | 12 |
| General and administrative | 15 |
| | — |
| | 29 |
| | — |
| Total | $ | 2,106 |
| | $ | 2,384 |
| | $ | 4,266 |
| | $ | 4,748 |
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| Estimated Future Amortization Expense of Purchased Intangible Assets |
The following table summarizes the estimated future amortization expense of the Company's intangible assets as of January 31, 2015: | | | | | | Amount | | (in thousands) | Fiscal Year | | 2015 (remaining six months) | $ | 4,279 |
| 2016 | 4,829 |
| 2017 | 2,018 |
| 2018 | 1,764 |
| 2019 | 1,031 |
| Thereafter | 4,158 |
| Total | $ | 18,079 |
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