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Income Taxes (Details 2) - USD ($)
12 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Income Taxes Details Abstract    
U.S. federal statutory tax rate 27.50% 34.00%
Income tax provision reconciliation:    
Tax at statutory rate: $ 64,082 $ 1,143,010
Net foreign income subject to lower tax rate 25,927 (464,335)
State income taxes, net of federal benefit (107,997) 2,418,932
Valuation allowance (11,763,000) (8,085,000)
Changes in statutory income tax rates 9,114,886 0
IRC 965 repatriation 1,809,603 0
Federal research and development and other credits (163,165) (118,128)
Stock-based compensation 43,818 100,469
Change in fair value of derivative warrants 53,524 158,965
Acquisiton costs 0 75,332
Other permanent differences 30,758 (43,295)
Other, net 64,487 472,750
Total income tax (benefit) $ (827,077) $ (4,341,300)