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Summary of Significant Accounting Policies (Details) | 12 Months Ended
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Jun. 30, 2018 | Jun. 30, 2017
Customer A [Member] | Revenue [Member] |  |
Percentage of concentration risk | 32.00% | 34.00%
Customer A [Member] | Accounts receivable [Member] |  |
Percentage of concentration risk | 27.00% | 25.00%
Customer B [Member] | Revenue [Member] |  |
Percentage of concentration risk | 24.00% | 22.00%
Customer B [Member] | Accounts receivable [Member] |  |
Percentage of concentration risk | 19.00% | 17.00%
Customer C [Member] | Revenue [Member] |  |
Percentage of concentration risk | 30.00% | 18.00%
Customer C [Member] | Accounts receivable [Member] |  |
Percentage of concentration risk | 35.00% | 18.00%
Other [Member] | Accounts receivable [Member] |  |
Percentage of concentration risk | 12.00% | 0.00%

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