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Capital Stock - Additional Information (Details) - USD ($)
9 Months Ended
Feb. 14, 2017
Mar. 31, 2017
Mar. 31, 2016
Jun. 30, 2016
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Capital stock, shares authorized   50,000,000   50,000,000
Capital stock, par value   $ 0.01   $ 0.01
Aggregate number of units issued (in shares) 2,090,000      
Aggregate number of units issued, per unit ($ per shares) $ 1.75      
Proceeds from issuance of common stock and warrants $ 3,657,500      
Expected term of warrant 2 years      
Sale of equity units description   Each unit consists of one share of common stock and one warrant to purchase one-half of a share of common stock.    
Class of warrant description   Each warrant will have a two-year term and is exercisable at the following exercise prices: in the first year at $2.00 per share or in the second year at $2.25 per share.    
Increase in additional paid in capital as a result of issuance of units $ 3,532,256      
Increase in additional paid in capital, fair value of warrants $ 473,658      
Capital stock, shares issued   17,779,954   8,518,791
Capital stock, shares outstanding   17,779,954   8,518,791
Total unrecognized compensation cost related to non-vested share based compensation   $ 60,089    
Expected weighted-average period of unrecognized compensation cost   6 months 4 days    
Total fair value of share based compensation arrangements vested   $ 351,236 $ 0  
2015 and 2016 Stock Incentive and Compensation Plans        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Weighted average remaining contractual term (in years), grants   5 years    
2015 and 2016 Stock Incentive and Compensation Plans | Maximum        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Number of options and stock available for grant to employees   1,569,000    
Exercisable in First Year        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Exercise price of warrants $ 2.00      
Exercisable in Second Year        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Exercise price of warrants $ 2.25