EX-12.1 3 ex12_1.htm EXHIBIT 12.1
Exhibit 12.1

Statement Regarding the Computation of Ratio of Earnings to Combined Fixed Charges and Preferred Stock Dividends

Our earnings are inadequate to cover fixed charges.  The following table sets forth the dollar amount of the coverage deficiency (in thousands) for the periods presented.
 
   
For the
Three Months Ended
    
For the Year Ended December 31,
  
Statement of Operations Data:
  
March 31, 2017
    
2016
    
2015
    
2014
    
2013
    
2012
  
Earnings:
                                    
Net loss
  
$
(21,611
)
  
$
(9,307
)
  
$
(14,385
)
  
$
(18,522
)
  
$
(9,499
)
  
$
(6,227
)
Plus fixed charges
    
20
      
81
      
78
      
68
      
61
      
58
  
Total loss to cover fixed charges
    
(21,591
)
    
(9,227
)
    
(14,307
)
    
(18,454
)
    
(9,438
)
    
(6,169
)
                                                 
Fixed Charges:
                                                
Interest portion of rental expense (see below)
    
20
      
81
      
78
      
68
      
61
      
58
  
                                                 
Deficiency of earnings to cover fixed charges
  
$
(21,611
)
  
$
(9,307
)
  
$
(14,385
)
  
$
(18,522
)
  
$
(9,499
)
  
$
(6,227
)

The estimate of the interest portion of rental expense is calculated as one-third of the total rental expense for the period.