Quarterly report pursuant to Section 13 or 15(d)

Common Stock (Details Narrative)

v3.10.0.1
Common Stock (Details Narrative) - USD ($)
3 Months Ended 6 Months Ended
Jan. 05, 2018
Feb. 28, 2017
Jun. 30, 2018
Mar. 31, 2018
Jun. 30, 2017
Mar. 31, 2017
Jun. 30, 2018
Jun. 30, 2017
Dec. 31, 2017
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     57,192,496       57,192,496   55,603,427
Common stock, shares outstanding     57,192,496       57,192,496   55,603,427
Issuance of common stock upon exercise of stock options, shares     52,604   76,768   89,069 237,317  
Proceeds from exercise of stock options     $ 146,612   $ 20,555   $ 303,266 $ 100,803  
Proceeds from sale of stock             12,003,266 $ 41,370,512  
Stock issuance cost             $ 453,167    
January 2018 Sales Agreement [Member] | Institutional Investor [Member]                  
Aggregate common stock sold, shares     1,500,000          
Proceeds from sale of stock     $ 11,200,000          
Sales Agreement [Member]                  
Aggregate common stock sold, shares           1,413,633      
Proceeds from sale of stock           $ 13,268,208      
Securities Purchase Agreement [Member] | Institutional and Accredited Investors [Member]                  
Aggregate common stock sold, shares   3,887,815              
Proceeds from sale of stock   $ 27,214,705              
Purchase price per share   $ 7.00              
Stock issuance cost   $ 36,291              
At the Market Offering [Member] | Maximum [Member]                  
Number of common stock value sold $ 50,000,000