Annual report pursuant to Section 13 and 15(d)

Fair Value Measurement (Tables)

v3.8.0.1
Fair Value Measurement (Tables)
12 Months Ended
Dec. 31, 2017
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]
The following table sets forth the changes in the estimated fair value for the Company’s Level 3 classified derivative warrant liability (in thousands):
 
 
 
NSC 
Contingently
Issuable 
Warrants
 
Westpark 
Contingently 
Issuable 
Warrants
 
Total
 
Fair value, December 31, 2015
 
$
114
 
$
-
 
$
114
 
Change in fair value
 
 
188
 
 
-
 
 
188
 
Issuable derivative warrant liabilities
 
 
-
 
 
12
 
 
12
 
Fair value, December 31, 2016
 
$
302
 
$
12
 
$
314
 
Change in fair value
 
 
448
 
 
3
 
 
451
 
Conversion into common shares
 
 
(750)
 
 
-
 
 
(750)
 
Change in fair value of convertible notes warrants
 
 
-
 
 
(15)
 
 
(15)
 
Fair value, December 31, 2017
 
$
-
 
$
-
 
$
-
 
NSC Notes [Member]  
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Table Text Block]
The fair value of the NSC Contingently Issuable Warrants was determined at December 31, 2016 for approximately $0.3 million by applying management’s estimate of the probability of issuance of the Contingently Issuable Warrants together with the Black-Scholes option pricing model with the following key assumptions:
 
 
 
December 31,
 
 
 
2016
 
Risk-free interest rate
 
 
2.45
%
Expected dividend yield
 
 
-
 
Expected term (in years)
 
 
10.00
 
Expected volatility
 
 
83
%
Probability of issuance of the warrant
 
 
50
%
Westpark Contingently Issuable Warrants [Member]  
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]
The following table sets forth the changes in the estimated fair value for our Level 3 classified convertible notes payable (in thousands):
 
 
 
Westpark 
Convertible 
Notes
 
Fair value, December 31, 2015
 
$
-
 
Additions
 
 
200
 
Change in fair value
 
 
-
 
Fair value, December 31, 2016
 
$
200
 
Change in fair value
 
 
99
 
Conversion into common shares
 
 
(299)
 
Fair value, December 31, 2017
 
$
-
 
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Table Text Block]
The fair value of Westpark warrant liability at December 31, 2016 was measured at fair value for approximately $12,000 using a Monte Carlo simulation valuation methodology. A summary of the weighted average (in aggregate) significant unobservable inputs (Level 3 inputs) used in measuring the Company’s warrant liabilities that are categorized within Level 3 of the fair value hierarchy for the year ended December 31, 2016 is as follows:
 
 
 
December 31,
 
 
 
2016
 
Risk-free interest rate
 
 
2.45
%
Expected dividend yield
 
 
-
 
Expected term (in years)
 
 
10.00
 
Expected volatility
 
 
87
%