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Summary of Significant Accounting Policies (Details Textual) - USD ($)
3 Months Ended 9 Months Ended 12 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Mar. 31, 2019
Mar. 31, 2018
Jun. 30, 2018
Cash, FDIC Insured Amount $ 250,000   $ 250,000    
Foreign Currency Transaction Gain (Loss), before Tax (2,302) $ 9,737 $ (17,307) $ 22,609  
Restricted Common Stock [Member]          
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount     356,759 434,197  
Sales Revenue, Net [Member]          
Concentration Risk, Percentage     10.00%    
Accounts Receivable [Member]          
Concentration Risk, Percentage         10.00%
Europe Financial Institutions [Member]          
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount     110,574   109,585
Deposits $ 110,574   $ 110,574   $ 109,585
Employee Stock Option [Member]          
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount     3,465,335 3,061,835  
Employee Stock Option [Member] | Warrant [Member]          
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount     1,885,000 1,985,000