Quarterly report pursuant to Section 13 or 15(d)

10. Fair Value Measurements (Tables)

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10. Fair Value Measurements (Tables)
9 Months Ended
Sep. 30, 2017
Fair Value Disclosures [Abstract]  
Schedule of Significant Assumptions Used and Related Fair Values for Warrants
Original Issuance   Exercise
Price
  Volatility   Risk Free
Interest
Rate
 
Term (years)
  Market
Discount
  Warrants
Outstanding
  Fair
Value
07/3/2012   $6.09   40.9%   0.62%   0.50   11.3%   211,000   $651,000
Summary of Recurring Fair Value Measurements by Level
    Fair                    
    Value     Level 1     Level 2     Level 3  
Assets:                                
   Derivative instruments   $ 3,017     $ 3,017     $     $  
    $ 3,017     $ 3,017     $     $  
                                 
Liabilities:                                
   Warrants   $     $     $     $  
   Derivative instruments     (2,755 )     (2,755 )            
    $ (2,755 )   $ (2,755 )   $     $  
Schedule of Fair Value of Level 3 Inputs to Warrants
Balance, December 31, 2016   $ 651  
Exercised warrants     (178 )
Adjustments to fair value for the period     (473 )
Balance, September 30, 2017   $