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Goodwill and Amortizable Intangible Assets | 12 Months Ended
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Dec. 31, 2014
Goodwill and Intangible Assets Disclosure [Abstract] |
Goodwill and Amortizable Intangible Assets | Goodwill and Amortizable Intangible Assets The Company has goodwill as well as certain amortizable intangible assets consisting of data acquisition costs, a member list, content, core technology and other intangible assets related to the purchase of a website domain name. The goodwill and amortizable intangible asset balances reflect the goodwill, member list, content and core technology acquired during the August 2, 2013 acquisition of substantially all the assets of BrightNest for a purchase price of $2,650, inclusive of $1,920 in acquired intangible assets and goodwill of $730. The purchase price consisted of $2,150 in cash paid at closing and an additional $500 that was paid during 2014 as contingent consideration on the one-year anniversary of the closing of the acquisition. Revenues and expenses related to BrightNest, which are not material, are included in the consolidated results of operations from the date of acquisition. Amortization on the intangible assets is computed using the straight-line method over the estimated lives of the assets, which are six years and three years, respectively, for the member list and other intangible assets, including content, core technology and data acquisition costs. Amortizable intangible assets as of December 31, 2014 and 2013 are as follows:
| Cost |  | Accumulated Amortization |  | Net |  | Weighted-Average Remaining Amortization Period (in years)
2014 |  |  |  |  |  |  |
Member list | $ | 1,670 |  |  | $ | 394 |  |  | $ | 1,276 |  |  | 4.6
Content | 140 |  |  | 66 |  |  | 74 |  |  | 1.6
Core technology | 110 |  |  | 52 |  |  | 58 |  |  | 1.6
Data acquisition costs | 3,488 |  |  | 2,358 |  |  | 1,130 |  |  | 1.2
Other intangible assets | 300 |  |  | 83 |  |  | 217 |  |  | 2.2
Total amortizable intangible assets | $ | 5,708 |  |  | $ | 2,953 |  |  | $ | 2,755 |  |  |
| Cost |  | Accumulated Amortization |  | Net |  | Weighted-Average Remaining Amortization Period (in years)
2013 |  |  |  |  |  |  |
Member list | $ | 1,670 |  |  | $ | 122 |  |  | $ | 1,548 |  |  | 5.6
Content | 140 |  |  | 12 |  |  | 128 |  |  | 2.6
Core technology | 110 |  |  | 16 |  |  | 94 |  |  | 2.6
Data acquisition costs | 3,296 |  |  | 1,566 |  |  | 1,730 |  |  | 1.2
Total amortizable intangible assets | $ | 5,216 |  |  | $ | 1,716 |  |  | $ | 3,500 |  |  |
Amortization expense on amortizable intangible assets for the years ended December 31, 2014, 2013 and 2012 was $1,729, $1,546 and $1,234, respectively. The estimated amortization expense related to amortizable intangible assets at December 31, 2014 for each of the next five years is as follows: $1,159 in 2015, $758 in 2016, $398 in 2017, $278 in 2018 and $162 in 2019. The Company’s recorded goodwill balance as of both December 31, 2014 and 2013 was $1,145.

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- Definition The entire disclosure for all or part of the information related to intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16373-109275 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16265-109275 + Details
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