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Fair Value Measurements | 12 Months Ended
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Dec. 31, 2014
Fair Value Disclosures [Abstract] |
Fair Value Measurements | Fair Value Measurements Whenever possible, quoted prices in active markets are used to determine the fair value of the Company's financial instruments. The Company's financial instruments are not held for trading or other speculative purposes. The estimated fair value of financial instruments was determined using available market information and appropriate valuation methodologies. However, considerable judgment is required in interpreting market data to develop the estimates of fair value. Accordingly, the estimates presented herein are not necessarily indicative of the amounts the Company could realize in a current market exchange. The use of different market assumptions and/or estimation methodologies may have a material effect on the estimated fair value amounts. Fair Value Hierarchy Fair value is based on the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. In accordance with ASC 820, Fair Value Measurement, the Company categorized the financial assets and liabilities that are adjusted to fair value based on the priority of the inputs to the valuation technique, following the three-level fair value hierarchy prescribed by ASC 820, as follows: Level 1: Quoted prices (unadjusted) in active markets that are accessible at the measurement date for assets or liabilities. Level 2: Observable prices that are based on inputs not quoted on active markets but corroborated by market data. Level 3: Unobservable inputs are used when little or no market data is available. Valuation Techniques The Company’s money market fund investments are classified as cash equivalents within Level 1 of the fair value hierarchy on the basis of valuations using quoted market prices. As many fixed income securities do not trade daily, fair values are often derived using recent trades of securities with similar features and characteristics. When recent trades are not available, pricing models are used to determine these prices. These models calculate fair values by discounting future cash flows at estimated market interest rates. Such market rates are derived by calculating the appropriate spreads over comparable U.S. Treasury securities, based on the credit quality, industry and structure of the asset. Typical inputs and assumptions to pricing models include, but are not limited to, a combination of benchmark yields, reported trades, issuer spreads, liquidity, benchmark securities, bids, offers, reference data and industry and economic events. The Company’s fixed income corporate bond investments and certificates of deposit with fixed maturities are valued using recent trades or pricing models and are therefore classified within Level 2 of the fair value hierarchy. Recurring Fair Value Measurements There were no movements between fair value measurement levels of the Company’s cash equivalents and investments during 2014 or 2013, and there were no material unrealized gains or losses in these accounts as of December 31, 2014 or 2013. The following tables summarize the Company's financial instruments at fair value based on the fair value hierarchy for each class of instrument as of December 31, 2014 and 2013:
|  |  |  | Fair Value Measurement at December 31, 2014 Using
|  | Carrying Value at December 31, 2014 |  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  | Significant Other Observable Inputs (Level 2) |  | Significant Unobservable Inputs (Level 3)
Cash equivalents: |  |  |  |  |  |  |  |
Money market funds |  | $ | 365 |  |  | $ | 365 |  |  | $ | — |  |  | $ | — |
Certificates of deposit |  | 240 |  |  | — |  |  | 240 |  |  | — |
Investments: |  |  |  |  |  |  |  |
Certificates of deposit |  | 21,235 |  |  | — |  |  | 21,211 |  |  | — |
Corporate bonds |  | 3,033 |  |  | — |  |  | 3,028 |  |  | — |
Total assets |  | $ | 24,873 |  |  | $ | 365 |  |  | $ | 24,479 |  |  | $ | — |
|  |  |  | Fair Value Measurement at December 31, 2013 Using
|  | Carrying Value at December 31, 2013 |  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  | Significant Other Observable Inputs (Level 2) |  | Significant Unobservable Inputs (Level 3)
Cash equivalents: |  |  |  |  |  |  |  |
Money market funds |  | $ | 655 |  |  | $ | 655 |  |  | $ | — |  |  | $ | — |
Investments: |  |  |  |  |  |  |  |
Certificates of deposit |  | 13,750 |  |  | — |  |  | 13,734 |  |  | — |
Corporate bonds |  | 7,305 |  |  | — |  |  | 7,303 |  |  | — |
Total assets |  | $ | 21,710 |  |  | $ | 655 |  |  | $ | 21,037 |  |  | $ | — |
The carrying amounts of the term loans approximate fair value, using Level 2 inputs, as these borrowings bear interest at variable (market) rates at December 31, 2014 and 2013. Non-Recurring Fair Value Measurements The Company has certain assets that are measured at fair value on a non-recurring basis under circumstances and events, including those described in Note 5, "Property, Equipment and Software," and Note 6, "Goodwill and Amortizable Intangible Assets," that are adjusted to fair value only when the carrying values are more than the fair values. The categorization of the framework used to price the assets in the event of an impairment, such as the current year non-cash long-lived asset impairment charge (see Note 5 for additional information), is considered a Level 3 measurement due to the subjective nature of the unobservable inputs used to determine the fair value. Assets and liabilities acquired in business combinations are recorded at their fair value as of the date of acquisition. Refer to Note 6 for the fair values of assets acquired and liabilities assumed in connection with the prior year acquisition of substantially all the assets of SmartHabitat (“BrightNest”). The carrying amounts of accounts receivable and accounts payable reported in the consolidated balance sheets approximate fair value.

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- Definition The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13537-108611 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13433-108611 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=6957238&loc=d3e14064-108612 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 30 -URI http://asc.fasb.org/extlink&oid=6957238&loc=d3e14172-108612 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13504-108611 + Details
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