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Quarterly Consolidated Financial Data (Unaudited) (Tables)
 12 Months Ended
Dec. 31, 2017
Quarterly Consolidated Financial Data (Unaudited)  
Summary of quarterly consolidated financial data

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2017

 

    

Mar. 31

    

June 30

    

Sept. 30

 

Dec. 31

 

 

 

 

 

 

 

 

 

 

 

 

 

Total operating expenses

 

$

7,672,033

 

$

6,750,738

 

$

6,297,416

 

$

6,444,120

Net loss

 

$

(7,995,039)

 

$

(7,084,316)

 

$

(6,433,536)

 

$

(7,430,501)

Net loss per common share, basic and diluted (1)

 

$

(0.41)

 

$

(0.30)

 

$

(0.27)

 

$

(0.31)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2016

 

    

Mar. 31

    

June 30

    

Sept. 30

 

Dec. 31

 

 

 

 

 

 

 

 

 

 

 

 

 

Total operating expenses

 

$

5,882,865

 

$

6,827,280

 

$

7,207,803

 

$

7,625,560

Net loss

 

$

(5,865,941)

 

$

(6,812,190)

 

$

(7,194,584)

 

$

(7,328,938)

Net loss per common share, basic and diluted (1)

 

$

(0.31)

 

$

(0.36)

 

$

(0.38)

 

$

(0.38)