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Property and Equipment | 12 Months Ended
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Dec. 31, 2014
Property, Plant and Equipment [Abstract] |
Property and Equipment | Property and Equipment Property and equipment consisted of the following at December 31, 2014 and 2013 (in thousands):
| December 31, |  |
| 2014 |  | 2013 |  | Estimated Useful Life
Network equipment and software | $ | 11,156 |  |  | $ | 10,151 |  |  | 3 to 5 Years
Computer equipment and software | 2,730 |  |  | 2,514 |  |  | 3 to 4 Years
Collaboration equipment | 497 |  |  | 497 |  |  | 5 Years
Leasehold improvements | 522 |  |  | 525 |  |  | (*)
Office furniture and equipment | 622 |  |  | 769 |  |  | 5 to 10 Years
| 15,527 |  |  | 14,456 |  |  |
Accumulated depreciation | (12,281 | ) |  | (11,589 | ) |  |
Property and equipment, net | $ | 3,246 |  |  | $ | 2,867 |  |  |
(*) – Depreciated over the shorter period of the estimated useful life (five years) or the lease term. Related depreciation expense was $1,477,000 and $1,602,000 for the years ended December 31, 2014 and 2013, respectively. For the years ended December 31, 2014 and 2013, the Company recorded asset impairment charges of $145,000 and $615,000, respectively, primarily consisting of furniture, network equipment, and leasehold improvements no longer being utilized in the Company's business. These charges are recognized as "Impairment Charges" on our Consolidated Statements of Operations.

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- Definition The entire disclosure for long-lived, physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, accounting policies and methodology, roll forwards, depreciation, depletion and amortization expense, including composite depreciation, accumulated depreciation, depletion and amortization expense, useful lives and method used, income statement disclosures, assets held for sale and public utility disclosures. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -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 360 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6391110&loc=d3e2921-110230 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.13-14) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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