Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation (Details Textual)

v3.10.0.1
Stock-Based Compensation (Details Textual) - USD ($)
1 Months Ended 3 Months Ended 12 Months Ended
Apr. 11, 2018
Apr. 03, 2018
Oct. 31, 2016
Dec. 31, 2016
Jun. 30, 2018
Jun. 30, 2017
Aug. 21, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Share-based compensation arrangement by share-based payment award, options, grants in period, gross         255,000 24,725,000  
Share-based compensation arrangements by share-based payment award, options, grants in period, weighted average exercise price         $ 1.08 $ 1.19  
Stock-based compensation         $ 5,095,415 $ 6,005,670  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period           11,090,000  
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights     The options expire no later than ten years from the date of the grant. The options vest on a monthly basis over 48 months, except for 75,000 of the options which do not begin to vest until specific events have occurred and then begin to vest over 48 months and 60,000 of the options that all vest at the end of the consulting contract. Some options are subject to a one year cliff and all options have an exercise price based on the fair value of the common stock on the date of grant.        
Fair Value Adjustment of Warrants   $ 545,257          
Warrant Exercise Price Description The exercise price was set at 120% of the average closing price of the 10 trading days preceding July 1, 2019, or $0.52.       The exercise price of the warrants was to be set at 120% of a qualified financing event or 120% of the average closing price of the 10-day period prior to July 1, 2018.    
Non Qualified Stock Option Plan [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Employee service share-based compensation, nonvested awards, total compensation cost not yet recognized, stock options     $ 1,199,847        
Share-based compensation arrangement by share-based payment award, number of shares authorized     35,000,000       15,000,000
Equity Instruments Other than Options, Forfeited in Period       1,550,000      
Non Qualified Stock Option Plan [Member] | Minimum              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Share-based compensation arrangements by share-based payment award, options, grants in period, weighted average exercise price         $ 1.00    
Non Qualified Stock Option Plan [Member] | Maximum              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Share-based compensation arrangements by share-based payment award, options, grants in period, weighted average exercise price         $ 1.15    
Employees and Directors              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period           4,360,000  
Employees and Directors | General and Administrative Expense [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Stock-based compensation         $ 4,112,947 $ 4,214,819  
Employees and Directors | Research and Development Expense [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Stock-based compensation         $ 982,468 $ 1,790,851  
Warrant              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Class of warrant or right, number of securities called by warrants or rights   350,000     100,000    
Class of Warrant or Right, Exercise Price of Warrants or Rights         $ 1.00    
Fair Value Adjustment of Warrants         $ 3,770,028    
Warrant One              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Class of warrant or right, number of securities called by warrants or rights         50,000    
Class of Warrant or Right, Exercise Price of Warrants or Rights         $ 1.00    
Warrant Two              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Class of warrant or right, number of securities called by warrants or rights         500,000    
Class of Warrant or Right, Exercise Price of Warrants or Rights         $ 1.04    
Warrant Three              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Class of warrant or right, number of securities called by warrants or rights         350,000    
Class of Warrant or Right, Exercise Price of Warrants or Rights         $ 1.00    
Warrant Four              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Class of warrant or right, number of securities called by warrants or rights         500,000    
Class of Warrant or Right, Exercise Price of Warrants or Rights         $ 0.52    
Warrant Five              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Class of warrant or right, number of securities called by warrants or rights         289,000    
Class of Warrant or Right, Exercise Price of Warrants or Rights         $ 0.52    
Warrant Exercise Price Description         exercise price to be determined at 120% of the share price of a qualified financing if it occurs prior to July 1, 2018 or the exercise price will be 120% of the average closing price of the Company’s share price for the ten trading days prior to July 1, 2018    
Warrant Issued [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Class of warrant or right, number of securities called by warrants or rights         11,685,177    
Class of Warrant or Right, Exercise Price of Warrants or Rights         $ 0.52