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Fair Value Measurement of Financial Instruments
12 Months Ended
Dec. 31, 2016
Fair Value Measurement of Financial Instruments  
Fair Value Measurement of Financial Instruments

13.    Fair Value Measurement of Financial Instruments

Fair value is defined as the exit price, or the amount that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants as of the measurement date. ASC 820,  Fair Value Measurements and Disclosures also establishes a hierarchy for inputs used in measuring fair value that maximizes the use of observable inputs and minimizes the use of unobservable inputs by requiring that the most observable inputs be used when available. Observable inputs are inputs market participants would use in valuing the asset or liability and are developed based on market data obtained from sources independent of us. Unobservable inputs are inputs that reflect our assumptions about the factors market participants would use in valuing the asset or liability. The guidance establishes three levels of inputs that may be used to measure fair value:

Level 1—Quoted prices in active markets for identical assets or liabilities.

Level 2—Inputs other than Level 1 that are observable, either directly or indirectly, such as quoted prices for similar assets or liabilities; quoted prices in markets that are not active; or other inputs that are observable or can be corroborated by observable market data for substantially the full term of the assets or 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 or liabilities.

Assets and liabilities are classified in their entirety based on the lowest level of input that is significant to the fair value measurements. We review the fair value hierarchy classification on a quarterly basis. Changes in the observability of valuation inputs may result in a reclassification of levels for certain securities within the fair value hierarchy.

The following table presents our fair value hierarchy for assets measured at fair value on a non-recurring basis as of December 31, 2016 and 2015 (in thousands):

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Carrying Value

 

Fair Value

 

Financial Instrument

Level

    

December 31, 2016

    

December 31, 2015

    

December 31, 2016

    

December 31, 2015

 

Convertible notes - short term

3

 

$

13,137

 

$

 —

 

$

13,137 

 

$

 —

 

Convertible notes - long term

3

 

 

12,660

 

 

 —

 

 

11,250 

 

 

 —

 

Loan payable

3

 

 

 —

 

 

1,653

 

 

 —

 

 

1,653

 

 

 

 

$

25,797

 

$

1,653

 

$

24,387

 

$

1,653

 

 

 

The key assumptions for determining the fair value at December 31, 2016 included the remaining time to maturity of 4.6 years, volatility of 60 percent, and the risk-free interest rate of 1.83 percent.