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Debt and Fair Value of Financial Instruments (Tables)
6 Months Ended
Jun. 30, 2017
Fair Value Disclosures [Abstract]  
Aggregate Fair Value and Carrying Value of Warrant Liability and Long-Term Debt

At June 30, 2017 and December 31, 2016, the carrying value and the aggregate fair value of the Company’s warrant liability and long-term debt were as follows (in thousands):

 

 

 

As of  June 30, 2017

 

 

As of  December 31, 2016

 

 

 

Carrying Amount

 

 

Fair Value

 

 

Carrying Amount

 

 

Fair Value

 

Liabilities:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Warrant liability, net

 

$

1,063

 

 

$

1,063

 

 

$

1,210

 

 

$

1,210

 

Long-term debt, net

 

$

2,316

 

 

$

2,316

 

 

$

1,934

 

 

$

1,934

 

 

Schedule of Roll Forward of Warrant Liability Classified as Level 3 and Measured at Fair Value on a Recurring Basis

A roll forward of our warrant liability classified as Level 3 and measured at fair value on a recurring basis is as follows (in thousands):

 

Balance, December 31, 2016 (audited)

 

$

1,210

 

Change in fair value of warrant liability

 

 

(147

)

Balance, June 30, 2017 (unaudited)

 

$

1,063

 

 

Fair Value of Warrants Determined by Using Option Pricing Model

The warrants are not traded in an active securities market and, as such, the estimated fair value as of June 30, 2017 was determined by using an option pricing model (Black-Scholes) with the following assumptions:

 

 

 

As of

 

 

 

June 30, 2017

 

Expected term

 

4.17

 

Common stock market price

 

$

1.46

 

Risk-free interest rate

 

 

1.77

%

Expected volatility

 

 

74.7

%

Resulting fair value (per warrant)

 

$

0.63

 

 

Aggregate Fair Value and Carrying Value of Long-term Debt

At June 30, 2017, the aggregate fair value and the carrying value of the Company’s long-term debt was as follows (in thousands):

 

 

 

As of  June 30, 2017

 

 

As of  December 31, 2016

 

 

 

Carrying Amount

 

 

Fair Value

 

 

Carrying Amount

 

 

Fair Value

 

Long-term debt - related party

 

$

1,158

 

 

$

1,158

 

 

$

967

 

 

$

967

 

Long-term debt

 

 

1,158

 

 

 

1,158

 

 

 

967

 

 

 

967

 

Total long-term debt

 

$

2,316

 

 

$

2,316

 

 

$

1,934

 

 

$

1,934