Quarterly report pursuant to Section 13 or 15(d)

Liquidity (Details Narrative)

v3.10.0.1
Liquidity (Details Narrative) - USD ($)
3 Months Ended
Oct. 23, 2018
Sep. 30, 2018
Sep. 30, 2017
Oct. 25, 2018
Jun. 30, 2018
May 14, 2018
Jun. 30, 2017
Principal amount   $ 15,000,000     $ 15,000,000 $ 15,000,000  
Cash and cash equivalents   9,074,816 $ 5,442,036   $ 14,816,717   $ 9,631,520
Working capital   8,400,000          
Net Cash Used In Operating Activities   $ (4,747,884) $ (1,676,890)        
Subsequent Event [Member]              
Cash and cash equivalents       $ 45,900,000      
Subsequent Event [Member] | Underwriters [Member]              
Number of additional share issued 1,087,500            
Stock offering issued costs $ 2,300,000            
Net proceeds from common stock offering $ 28,500,000            
Subsequent Event [Member] | Public Offering [Member]              
Number of common stock sold 7,250,000            
Subsequent Event [Member] | Over-Allotment Option [Member]              
Number of common stock sold 1,087,500            
Net proceeds from common stock offering $ 28,500,000            
Options exercised price (after deducting the underwriting discount and estimated offering expenses payable) $ 32,900,000            
Description of grand in offering <p><font style="font: 10pt Times New Roman, Times, Serif">For a period of 30 calendar days from October 19, 2018</font></p>            
Subsequent Event [Member] | 6.5% Convertible Senior Secured Notes [Member]              
Principal amount $ 10,000,000            
Offering costs 1,100,000            
Net proceeds from offering $ 8,900,000