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Fair Value of Financial Instruments (Tables)
12 Months Ended
Dec. 31, 2015
Fair Value Disclosures [Abstract]  
Schedule of Fair Value Inputs Liabilities Quantitative Information

for the years ended December 31, 2015 or 2014. Quantitative information regarding significant unobservable inputs used for recurring Level 3 fair value measurements of financial instruments as of December 31, 2013 were as follows:

 

 

 

 

 

December 31, 2013

 

 

 

 

 

 

Valuation Technique

 

Key Inputs

 

Range

 

Derivative Liability

 

Lattice Model

 

Probability of exit

 

 

90%

 

 

 

 

 

Remaining term

 

0.8 years - 8.3 years

 

 

 

 

 

Yield Volatility

 

21.4% - 31.1%

 

 

 

 

 

Credit Spread

 

 

8.90%

 

 

 

 

 

Risk-free rate

 

0.13% - 2.45%

 

 

Summary of Change in Fair Value of Level 3 Financial Instruments

The following table summarizes the change in fair value of our Level 3 financial instruments for the years ended December 31, 2015, 2014 and 2013 (dollars in thousands).

 

 

 

2015

 

 

2014

 

 

2013

 

Balance, beginning of year

 

$

 

 

$

1,107

 

 

$

1,767

 

Issuances

 

 

 

 

 

 

 

 

 

Change in fair value of derivative liability

 

 

 

 

 

(635

)

 

 

(660

)

Gain on the extinguishment of derivative liability

 

 

 

 

 

(472

)

 

 

 

Balance, end of year

 

$

 

 

$

 

 

$

1,107