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Note 4 - Fair Value Measurements
6 Months Ended
Jun. 30, 2017
Notes to Financial Statements  
Fair Value Disclosures [Text Block]
(
4
)
FAIR VALUE MEASUREMENTS
 

ASC Topic
820
(Fair Value Measurement) establishes a fair value hierarchy for instruments measured at fair value that distinguishes between assumptions based on market data (observable inputs) and our own assumptions (unobservable inputs). Observable inputs are inputs that market participants would use in pricing the asset or liability based on market data obtained from sources independent of us. Unobservable inputs are inputs that reflect our assumptions about the inputs that market participants would use in pricing the asset or liability, and are developed based on the best information available in the circumstances.

ASC
820
identifies fair value as the exchange price, or exit price, representing the amount that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants. As a basis for considering market participant assumptions in fair value measurements, ASC
820
establishes a
three
-tier fair value hierarchy that distinguishes among the following:
 
Level
1
Valuations based on unadjusted quoted prices in active markets for identical assets or liabilities that we have the ability to access.
   
Level
2
Valuations based on quoted prices for similar assets or liabilities in active markets, quoted prices for identical or similar assets or liabilities in markets that are
not
active and models for which all significant inputs are observable, either directly or indirectly.
   
Level
3
Valuations based on inputs that are unobservable and significant to the overall fair value measurement.
 
To the extent that the valuation is based on models or inputs that are less observable or unobservable in the market, the determination of fair value requires more judgment. Accordingly, the degree of judgment exercised by us in determining fair value is greatest for instruments categorized in Level
3.
A financial instrument's level within the fair value hierarchy is based on the lowest level of any input that is significant to the fair value measurement.

Recurring Fair Value Measurements
 
The contingent consideration liability on our balance sheet is measured at fair value on a recurring basis using Level
3
inputs. Our contingent consideration liability is a result of our acquisition of Ambrell on
May 24, 2017,
and it represents the estimated fair value of the additional cash consideration payable that is contingent upon the achievement of certain financial results by Ambrell in
2017
and
2018,
as discussed more fully in Note
3.
The fair value of this Level 
3
instrument involves generating various scenarios for projected adjusted EBITDA over a specified time period, calculating the associated contingent consideration payments and discounting the average payments to present value.

As discussed further in Note
3,
our purchase price allocation, including the determination of the fair value of the contingent consideration liability as of the acquisition date, is still preliminary and we expect it to change. We expect to complete our purchase price allocation during the
third
quarter of
2017.
 

The following fair value hierarchy table presents information about liabilities measured at fair value on a recurring basis:
 
 
Amounts at
Fair Value Measurement Using
 
Fair Value
Level 1
Level 2
Level 3
As of June 30, 2017
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Contingent consideration liability
  $
2,302
    $
-
    $
-
    $
2,302