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Quarterly Concolidated Financial Data (Unaudited) (Tables)
 12 Months Ended
Dec. 31, 2016
Quarterly Consolidated Financial Data (Unaudited)  
Summary of quarterly consolidated financial data (unaudited)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Quarter Ended

 

 

    

March 31, 

    

June 30, 

    

September 30, 

    

December 31, 

 

Year Ended December 31, 2016:

    

 

    

    

 

    

    

 

    

    

 

    

 

Operating revenues

 

$
47,055,000

 

$
28,086,000

 

$
28,122,000

 

$
30,067,000

 

Loss from operations

 

$
(10,631,000)

 

$
(13,266,000)

 

$
(14,257,000)

 

$
(11,282,000)

 

Net loss

 

$
(8,600,000)

 

$
(11,589,000)

 

$
(12,416,000)

 

$
(7,187,000)

 

Basic loss per share  attributable to common stock

 

$
(0.40)

 

$
(0.54)

 

$
(0.57)

 

$
(0.33)

 

Diluted loss per share attributable to common stock

 

$
(0.40)

 

$
(0.54)

 

$
(0.57)

 

$
(0.33)

 

Year Ended December 31, 2015:

 

 

 

 

 

 

 

 

 

 

 

 

 

Operating revenues

 

$
73,722,000

 

$
43,335,000

 

$
62,498,000

 

$
55,130,000

 

Loss from operations

 

$
(9,814,000)

 

$
(18,065,000)

 

$
(4,662,000)

 

$
(8,141,000)

 

Net loss

 

$
(6,592,000)

 

$
(11,877,000)

 

$
(2,870,000)

 

$
(4,940,000)

 

Basic loss per share  attributable to common stock

 

$
(0.37)

 

$
(0.55)

 

$
(0.13)

 

$
(0.23)

 

Diluted loss per share attributable to common stock

 

$
(0.37)

 

$
(0.55)

 

$
(0.13)

 

$
(0.23)