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Stock Options (Details Textual)
1 Months Ended 12 Months Ended
Feb. 28, 2017
Employees
shares
Jul. 26, 2016
USD ($)
Employees
$ / shares
shares
Jun. 30, 2018
USD ($)
Jun. 30, 2017
USD ($)
Dec. 31, 2013
$ / shares
shares
Stock-Based Compensation (Textual)          
Stock option expense     $ 1,032,000  
2014 Stock Incentive Plan [Member]          
Stock-Based Compensation (Textual)          
Options granted | shares   150,000      
Number of employees | Employees 2 2      
Options vesting period   1 year      
Exercise price of options | $ / shares   $ 1.10      
Grant date fair value of options | $ / shares   $ 0.77      
Volatility rate   99.68%      
Risk free interest rate   1.15%      
Expected life   5 years      
Options exercised | shares 75,000        
Fair value of options   $ 11,597,900      
2014 Stock Incentive Plan [Member] | General and administrative expenses [Member]          
Stock-Based Compensation (Textual)          
Stock option expense     $ 9,665 106,315  
2013 Grants [Member]          
Stock-Based Compensation (Textual)          
Options granted | shares         10,000
Options vesting period         10 years
Exercise price of options | $ / shares         $ 2.01
Volatility rate     452.04%    
Risk free interest rate     0.88%    
Expected life     5 years    
Amortized stock option expense     $ 0 $ 388,000  
Fair value of options     $ 1,940,000