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Fair Value Measurement | 9 Months Ended
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Sep. 30, 2018
Fair Value Disclosures [Abstract] |
Fair Value Disclosures [Text Block] |
| 11. | Fair Value Measurement
Fair value is defined as the price that would be received upon selling an asset or the price paid to transfer a liability on the measurement date. It focuses on the exit price in the principal or most advantageous market for the asset or liability in an orderly transaction between willing market participants. A three-tier fair value hierarchy is established as a basis for considering such assumptions and for inputs used in the valuation methodologies in measuring fair value. This hierarchy requires entities to maximize the use of observable inputs and minimize the use of unobservable inputs. The three levels of inputs used to measure fair values are as follows: Level 1: Observable prices in active markets for identical assets and liabilities. Level 2: Observable inputs other than quoted prices in active markets for identical assets and liabilities. Level 3: Unobservable inputs that are supported by little or no market activity and that are significant to the fair value of the assets and liabilities. Warrant Liabilities On September 30, 2018, the Company recomputed the fair value of its warrant liability of outstanding warrants to purchase an aggregate of 210,000 shares of common stock as $186,000 using the Binomial option pricing model (Level 3 inputs) using the following assumptions: expected volatility of 80.17% risk-free rate of 2.88%, expected term of 3.33 years, and expected dividends of 0.00%. The Company recorded a loss on the change in fair value of these warrant liabilities of $ 22 ,000 and $ 56 ,000 during the three and nine months ended September 30, 2018, respectively. During the three and nine months ended September 30, 2017, the Company recorded a gain on the change in fair value of its warrant liabilities of $ 35 ,000 and $ 403 ,000, respectively. Warrants that contain exercise reset provisions and contingent consideration liabilities are Level 3 derivative liabilities measured at fair value on a recurring basis using pricing models for which at least one significant assumption is unobservable as defined in ASC 820. The fair value of contingent consideration liabilities that are classified as Level 3 were estimated using a discounted cash flow technique with significant inputs that are not observable in the market and thus represents a Level 3 fair value measurement as defined in ASC 820. The significant inputs in the Level 3 measurement not supported by market activity include the probability assessments of expected future cash flows related to the acquisitions, appropriately discounted considering the uncertainties associated with the obligation, and as calculated in accordance with the terms of the acquisition agreements. The development and determination of the unobservable inputs for Level 3 fair value measurements and the fair value calculations are the responsibility of the Company’s Chief Financial Officer and are approved by the Chief Executive Officer. The following table sets forth a summary of the changes in the fair value of Level 3 warrant liabilities that are measured at fair value on a recurring basis (in thousands):
|  | Nine Months Ended September 30, |
|  | 2018 |  |  | 2017 |
Warrant Liabilities |  |  |  |  |  |  |  |
Beginning balance as of January 1, |  | $ | 130 |  |  | $ | 20 |
Change in fair value of warrant liability |  |  | 56 |  |  |  | (403 | )
Warrant modification expense |  |  | - |  |  |  | 803 |
Ending balance as of September 30, |  | $ | 186 |  |  | $ | 420 |
|  | Nine Months Ended September 30, |
|  | 2018 |  |  | 2017 |
Contingent Consideration |  |  |  |  |  |  |  |
Beginning balance as of January 1, |  | $ | - |  |  | $ | 1,816 |
Payments of contingent consideration |  |  | - |  |  |  | (1,851 | )
Change in fair value of contingent consideration |  |  | - |  |  |  | 35 |
Ending balance as of September 30, |  | $ | - |  |  | $ | - |
Assets and liabilities measured at fair value on a recurring basis are as follows (in thousands):
|  | September 30, 2018 |
|  | Level 1 |  |  | Level 2 |  |  | Level 3 |
Liabilities: |  |  |  |  |  |  |  |  |
Warrant liabilities |  | $ | - |  |  | $ | - |  |  | $ | 186 |
Total liabilities |  | $ | - |  |  | $ | - |  |  | $ | 186 |
|  | December 31, 2017 |
|  | Level 1 |  |  | Level 2 |  |  | Level 3 |
Liabilities: |  |  |  |  |  |  |  |  |
Warrant liabilities |  | $ | - |  |  | $ | - |  |  | $ | 130 |
Total liabilities |  | $ | - |  |  | $ | - |  |  | $ | 130 |

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -URI http://asc.fasb.org/topic&trid=2155941 + Details
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