Quarterly report pursuant to Section 13 or 15(d)

Common Stock (Details Narrative)

v3.8.0.1
Common Stock (Details Narrative) - USD ($)
 1 Months Ended 3 Months Ended 9 Months Ended
Feb. 28, 2017
Nov. 30, 2016
Sep. 30, 2017
Mar. 31, 2017
Sep. 30, 2017
Sep. 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     50,223,010   50,223,010   44,681,745
Common stock, shares outstanding     50,223,010   50,223,010   44,681,745
Stock issuance cost         $ 492,674    
Aggregate common stock sold, value         40,446,622    
Proceeds from sale of common stock net         $ 41,378,762 $ 15,235,283  
Issuance of common stock upon exercise of stock options, Shares     2,500   239,817    
Proceeds from exercise of stock options     $ 8,250   $ 109,053    
Institutional Investors [Member] | October 26, 2017 [Member]              
Stock issuance cost         2,153,000    
Proceeds from sale of common stock net         $ 32,550,000    
Number of common stock share sold         4,650,000    
Purchase price per share     $ 7.00   $ 7.00    
Options to purchase shares of common stock         697,500    
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