v2.4.0.8

Property and Equipment, Net (Details) (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Property, Plant and Equipment [Line Items] |  |  |
Property and equipment | $ 57,927,000 | $ 44,812,000 |
Less: accumulated depreciation and amortization | (34,852,000) | (26,664,000) |
Property and equipment, net | 23,075,000 | 18,148,000 |
Capital lease | 3,100,000 | 3,800,000 |
Capital lease, accumulated depreciation | 1,200,000 | 1,200,000 |
Depreciation and amortization expense | 9,200,000 | 6,900,000 | 4,900,000
Computer equipment |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Property and equipment | 27,464,000 | 18,798,000 |
Computer software |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Property and equipment | 9,277,000 | 6,327,000 |
Furniture, fixtures and equipment |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Property and equipment | 2,031,000 | 1,545,000 |
Scanner appliances |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Property and equipment | 17,055,000 | 16,470,000 |
Scanner appliances and other computer equipment subject to subscription |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Property and equipment, net | 4,700,000 | 5,500,000 |
Scanner appliances and other computer equipment not placed in service |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Property and equipment | 600,000 | 1,500,000 |
Leasehold improvements |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Property and equipment | 2,100,000 | 1,672,000 |
Other fixed assets not placed in service |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Property and equipment | $ 1,600,000 | $ 1,700,000 |

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- Definition Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.14) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 14 -Article 5 + Details
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- Definition Amount before accumulated depreciation of leased physical assets used in the normal conduct of business to produce goods and services. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6455314&loc=d3e45014-112735 + Details
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