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Capital Stock - Additional Information (Details) - USD ($)
12 Months Ended
Feb. 14, 2017
Jun. 30, 2017
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 nonvested share based compensation   $ 15,220  
Expected weighted-average period of unrecognized compensation cost   1 year 2 months 30 days  
Total fair values shares vested   $ 6,800 $ 0
2015 and 2016 Stock Incentive and Compensation Plan      
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 Plan | Maximum      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Number of options and shares 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