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Income Taxes (Details 2) - USD ($) | 12 Months Ended
--- | ---
Jun. 30, 2019 | Jun. 30, 2018
Income Tax Disclosure [Abstract] |  |
U.S. federal statutory tax rate | 21.00% | 27.50%
Income tax provision reconciliation: |  |
Tax at statutory rate: | $ (467,275) | $ 64,082
Net foreign income subject to lower tax rate | (303,288) | 25,927
State income taxes, net of federal benefit | (26,380) | (107,997)
Valuation allowance | 652,262 | (11,763,000)
Changes in statutory income tax rates | 0 | 9,114,886
IRC 965 repatriation | 202,026 | 1,809,603
GILTI | 251,869 | 0
Federal research and development and other credits | (84,440) | (163,165)
Stock-based compensation | 3,034 | 43,818
Change in fair value of derivative warrants | 0 | 53,524
Other permanent differences | 74,099 | 30,758
Other, net | 153,299 | 64,487
Total income tax (benefit) | $ 455,206 | $ (827,077)

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