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Fair Value (Tables)
12 Months Ended
Dec. 31, 2018
Fair Value Disclosures [Abstract]  
Summary of Change in Level 3 Warrant Liability Value

The following table summarizes the change in our Level 3 warrant liability value (in thousands):

 

 

 

Years ended December 31,

 

Warrant liability

 

2018

 

 

2017

 

Beginning balance

$

3,148

 

$

 

Change in fair value

 

(2,233

)

 

 

Ending balance

$

916

 

$

 

Fair Value and Carrying Value of Long-term Debt

At December 31, 2018 and 2017, the aggregate fair value and the carrying value of the Company’s long-term debt were as follows (in thousands):

 

 

 

December 31, 2018

 

 

December 31, 2017

 

 

 

Fair Value

 

 

Carrying Value

 

 

Fair Value

 

 

Carrying Value

 

Debt

 

$

14,043

 

 

$

14,202

 

 

$

13,427

 

 

$

13,624