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Fair Value Measurements | 12 Months Ended
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Dec. 31, 2016
Fair Value Disclosures [Abstract] |
Fair Value Measurements | Fair Value Measurements The carrying amounts of certain financial instruments, including cash and cash equivalents, accounts receivable, unbilled services, prepaid expenses and other current assets, accounts payable, and accrued expenses approximate their respective fair values due to the short-term nature of such instruments. Assets and Liabilities Measured at Fair Value on a Non-Recurring Basis As discussed in Note 13, the Company met the relevant criteria for reporting the Service Business as held for sale on May 4, 2015 (the "Measurement Date"), and as a result, assessed the asset group for impairment pursuant to FASB Topic 360, Property, Plant, and Equipment. The net carrying value of the Services Business asset group was compared to its fair value as of May 4, 2015. The Company determined that the selling price paid by Accuratus to acquire the Services Business asset group was the best estimate of fair value, which the Company concluded was a Level 2 input. The Company determined that the Services Business asset group's net carrying value exceeded its fair value by $572 on the Measurement Date. The Company also estimated selling costs directly attributable to the sale of the Services Business to be $778. As a result, the Company recorded a $1,350 impairment charge on property and equipment assets classified as held for sale in the quarterly period ended June 30, 2015. The Company subsequently recorded a $73 loss on disposal, after the effects of $764 of actual selling costs, in the quarterly period ended September 30, 2015, due to (i) a difference between estimated and final direct selling costs and (ii) a change in estimated working capital of the Services Business between June 30, 2015 and the effective date of the sale on July 17, 2015. Assets and Liabilities Measured at Fair Value on a Recurring Basis The Company evaluates its financial assets and liabilities subject to fair value measurements on a recurring basis to determine the appropriate level in which to classify them for each reporting period, pursuant to the policy described in Note 2. This determination requires significant judgments to be made. The following table summarizes the conclusions reached as of December 31, 2016 and 2015 for financial instruments measured at fair value on a recurring basis:
|  |  |  | Fair Value Hierarchy Classification
|  | Balance |  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  | Significant Other Observable Inputs (Level 2) |  | Significant Unobservable Inputs (Level 3)
December 31, 2015 |  |  |  |  |  |  |  |
Cash on deposit |  | $ | 46,935 |  |  | $ | 46,935 |  |  | — |  |  | — |
Money market funds |  | 50 |  |  | 50 |  |  | — |  |  | — |
Total assets |  | $ | 46,985 |  |  | $ | 46,985 |  |  | — |  |  | — |
December 31, 2016 |  |  |  |  |  |  |  |
Cash on deposit |  | $ | 9,767 |  |  | $ | 9,767 |  |  | — |  |  | — |
Money market funds |  | 25,889 |  |  | 25,889 |  |  |  |  |
Total assets |  | $ | 35,656 |  |  | $ | 35,656 |  |  | — |  |  | — |
Warrant liability |  | $ | 6,601 |  |  | — |  |  | — |  |  | $ | 6,601 |
Total liabilities |  | $ | 6,601 |  |  | — |  |  | — |  |  | $ | 6,601 |
The Company measures cash equivalents at fair value on a recurring basis. The fair value of cash equivalents is determined based on “Level 1” inputs, which consist of quoted prices in active markets for identical assets. Level 3 financial liabilities consist of the warrant liability for which there is no current market such that the determination of fair value requires significant judgment or estimation. Changes in fair value measurements categorized within Level 3 of the fair value hierarchy are analyzed each period based on changes in estimates or assumptions and recorded as appropriate. The Company uses the Black-Scholes option valuation model to value the Level 3 warrant liability at inception and on subsequent valuation dates. This model incorporates transaction details such as the Company’s stock price, contractual terms, maturity, risk free rates, as well as volatility. A reconciliation of the beginning and ending balances for liabilities measured at fair value on a recurring basis using significant unobservable inputs (Level 3) is as follows:
| Year Ended
| December 31, 2016
Balance - January 1, 2016 | $ | — |
Issuance of warrants | 4,695 |
Loss adjustment to fair value | 1,906 |
Balance - December 31, 2016 | $ | 6,601 |

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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 820 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 Reference 2: 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 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 825 -SubTopic 10 -Section 50 -Paragraph 21 -URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13537-108611 Reference 5: 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=73719730&loc=d3e13504-108611 Reference 6: 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=73719730&loc=d3e13433-108611 + Details
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