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Basis of Presentation and Summary of Significant Accounting Policies (Details Textual) - USD ($) | 3 Months Ended |
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Sep. 30, 2016 | Sep. 30, 2015 | Jun. 30, 2016
Basis of Presentation and Summary of Significant Accounting Policies (Textual) |  |  |
Aggregate cash in accounts and on hand | $ 108,121,059 |  | $ 102,896,486
Accounts receivable | 116,563,778 |  | 117,055,376
Allowance for doubtful accounts | 3,006,879 |  | 397,123
Amortization of deferred assets | 7,274,334 | $ 9,712,715 |
Customer deposits | 4,420,357 |  | 8,578,341
United States Banks [Member] |  |  |
Basis of Presentation and Summary of Significant Accounting Policies (Textual) |  |  |
Deposits in banks | 232,060 |  | 167,495
China [Member] |  |  |
Basis of Presentation and Summary of Significant Accounting Policies (Textual) |  |  |
Deposits in banks | $ 107,888,999 |  | $ 102,728,991

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