Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation (Details Textual)

v3.5.0.2
Stock-Based Compensation (Details Textual) - USD ($)
 1 Months Ended 12 Months Ended
Dec. 31, 2015
Feb. 23, 2015
Jan. 31, 2013
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2014
Apr. 06, 2015
Mar. 31, 2015
Mar. 26, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Stock-based compensation       $ 3,761,837 $ 2,846,828        
Employee service share-based compensation, nonvested awards, total compensation cost not yet recognized, stock options       7,902,071          
Fair value of warrants       11,955 31,777        
Adjustments to Additional Paid in Capital, Warrant Issued       $ 5,523,706 $ 6,026,070        
Black Scholes Pricing Model                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Class of warrant or right, number of securities called by warrants or rights   58,914              
Class of warrant exercisable warrants or rights             247,552    
Adjustments to Additional Paid in Capital, Warrant Issued   $ 92,111              
Lattice Model Two [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               99,650  
Warrants to purchase common stock value             $ 309,121    
Warrant derivative liability               $ 172,809  
Lattice Model [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       99,650          
Warrants to purchase common stock value       $ 172,809          
Lattice Model One [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       1,418,373          
Warrant derivative liability       $ 1,498,809          
2014 Stock and Incentive Plan                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Share-based compensation arrangement by share-based payment award, number of shares authorized                 3,750,000
Two Consultants                  
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         8,334        
Share-based compensation arrangements by share-based payment award, options, grants in period, weighted average exercise price         $ 4.50        
Employees and Directors | General and Administrative Expense [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Stock-based compensation       2,543,797 $ 2,174,870        
Employees and Directors | Research and Development Expense [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Stock-based compensation       $ 1,218,040 $ 671,958        
Employees and Directors | 2014 Stock and Incentive Plan                  
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         460,000        
Share based compensation arrangement by share based payment award options shares purchased vested monthly term   4 years              
Employees and Directors | 2014 Stock and Incentive Plan | 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         $ 1.29        
Employees and Directors | 2014 Stock and Incentive Plan | 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         $ 3.44        
Employee Stock Option                  
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       285,000 4,572,000        
Share-based compensation arrangements by share-based payment award, options, grants in period, weighted average exercise price       $ 1.07 $ 2.02        
Employee Stock Option | Employees and Directors                  
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     1,500,000   4,112,000 2,835,000      
Share-based compensation arrangements by share-based payment award, options, grants in period, weighted average exercise price     $ 4.50            
Share-based compensation arrangement by share-based payment award, number of shares authorized   6,850,000              
Employee Stock Option | Employees and Directors | 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              
Employee Stock Option | Employees and Directors | 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   $ 2.06              
Additional Paid-in Capital and Professional Fee                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Warrants to purchase common stock value       $ 80,677          
Warrant                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Adjustments to Additional Paid in Capital, Warrant Issued       $ 500,321          
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Warrants cancelled In Period 30,000     30,000 59,758        
Warrant | Lattice Model [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       1,518,387          
Warrant | Additional Paid-in Capital and Professional Fee                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Warrants to purchase common stock value       $ 9,006          
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       5,897,677 6,040,921        
Class of Warrant or Right, Exercise Price of Warrants or Rights       $ 1.65 $ 2.50        
Class of warrant exercisable warrants or rights       5,897,677          
Warrants to purchase common stock value       $ 3,497,914          
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       3,043,669 1,824,489        
Class of Warrant or Right, Exercise Price of Warrants or Rights       $ 1.65 $ 2.50        
Class of warrant exercisable warrants or rights       3,043,558          
Warrants to purchase common stock value       $ 1,667,630          
Adjustments to Additional Paid in Capital, Warrant Issued       $ 1,202,336          
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       184,490 105,000        
Class of Warrant or Right, Exercise Price of Warrants or Rights       $ 2.34 $ 1.65        
Class of warrant exercisable warrants or rights       184,490          
Warrants to purchase common stock value       $ 184,673          
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       327,046 6,000        
Class of Warrant or Right, Exercise Price of Warrants or Rights       $ 1.32 $ 1.38        
Class of warrant exercisable warrants or rights       327,046          
Warrants to purchase common stock value       $ 113,521          
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       87,500          
Class of Warrant or Right, Exercise Price of Warrants or Rights       $ 2.50          
Class of warrant exercisable warrants or rights       87,500          
Warrants to purchase common stock value       $ 65,490          
Warrant Six                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Class of warrant or right, number of securities called by warrants or rights       519,093          
Class of Warrant or Right, Exercise Price of Warrants or Rights       $ 1.65          
Class of warrant exercisable warrants or rights       519,093          
Warrants to purchase common stock value       $ 386,800          
Warrant Seven                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Class of warrant or right, number of securities called by warrants or rights       9,000          
Class of Warrant or Right, Exercise Price of Warrants or Rights       $ 1.38          
Class of warrant exercisable warrants or rights       9,000          
Warrants to purchase common stock value       $ 11,407          
Warrant Eight                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Class of warrant or right, number of securities called by warrants or rights       24,000          
Class of Warrant or Right, Exercise Price of Warrants or Rights       $ 1.34          
Class of warrant exercisable warrants or rights       24,000          
Warrants to purchase common stock value       $ 20,943          
Warrant Nine                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Class of warrant or right, number of securities called by warrants or rights       60,000          
Class of Warrant or Right, Exercise Price of Warrants or Rights       $ 1.85          
Class of warrant exercisable warrants or rights       60,000          
Warrants to purchase common stock value       $ 34,122          
Warrant Ten                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Class of warrant or right, number of securities called by warrants or rights       10,000          
Class of Warrant or Right, Exercise Price of Warrants or Rights       $ 0.96          
Class of warrant exercisable warrants or rights       10,000          
Warrants to purchase common stock value       $ 6,500          
Warrant Thirteen                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Class of warrant exercisable warrants or rights       66,667          
Adjustments to Additional Paid in Capital, Warrant Issued       $ 50,365          
Warrant Fourteen                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Class of warrant exercisable warrants or rights       4,968,482          
Warrants to purchase common stock value       $ 3,527,816          
Adjustments to Additional Paid in Capital, Warrant Issued       $ 2,597,932          
Warrant Fifteen                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Class of warrant exercisable warrants or rights       1,477,287          
Warrant Sixteen                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Class of warrant or right, number of securities called by warrants or rights       1,072,439          
Class of warrant exercisable warrants or rights       6,000          
Warrants to purchase common stock value       $ 1,009,433          
Adjustments to Additional Paid in Capital, Warrant Issued       $ 595,184          
Warrant Eighteen                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Class of warrant or right, number of securities called by warrants or rights       105,000          
Warrant Eighteen | Lattice Model [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Warrant derivative liability       $ 1,498,809          
Warrant Eighteen | Derivative Expense                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Warrants to purchase common stock value   $ 2,217,605         $ 124,434    
Warrant Ninteen                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Class of warrant exercisable warrants or rights       347,202