Quarterly report pursuant to Section 13 or 15(d)

Common Stock (Details Narrative)

v3.7.0.1
Common Stock (Details Narrative) - USD ($)
1 Months Ended 3 Months Ended 6 Months Ended
Feb. 28, 2017
Nov. 30, 2016
Jun. 30, 2017
Mar. 31, 2017
Jun. 30, 2017
Jun. 30, 2016
Dec. 31, 2016
Common stock, shares authorized     150,000,000   150,000,000   150,000,000
Common stock, par value     $ 0.0001   $ 0.0001   $ 0.0001
Common stock, shares issued     50,220,510   50,220,510   44,681,745
Common stock, shares outstanding     50,220,510   50,220,510   44,681,745
Stock issuance cost         $ 492,674    
Aggregate common stock sold, value         40,446,622    
Proceeds from sale of common stock net         $ 41,370,512 $ 15,055,841  
Issuance of common stock upon exercise of stock options, Shares     76,768   237,317    
Proceeds from exercise of stock options     $ 20,555   $ 100,803    
Securities Purchase Agreement [Member] | Institutional And Accredited Investors [Member]              
Aggregate common stock sold, shares 3,887,815            
Shares issued price per share $ 7.00            
Gross proceeds from sale of stock $ 27,214,705            
Stock issuance cost $ 36,291            
Sales Agreement [Member]              
Aggregate common stock sold, shares       1,413,633      
Shares issued price per share       $ 9.71      
Gross proceeds from sale of stock       $ 13,724,591      
Proceeds from sale of common stock net       $ 13,268,208      
Sales Agreement [Member] | Cantor Fitzgerald [Member]              
Aggregate common stock sold, value   $ 15,400,000          
Commission paid percentage   3.00%          
Sales Agreement [Member] | Cantor Fitzgerald [Member] | Maximum [Member]              
Aggregate offering amount   $ 35,000,000