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Income Taxes (Details 2) - USD ($) | 12 Months Ended
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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)

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