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Acquisition of ISP Optics Corporation (Details 1) - USD ($) | Dec. 31, 2016 | Dec. 21, 2016 | Jun. 30, 2016
--- | --- | --- | ---
Goodwill | $ 1,227,752 |  |
ISP Optics Corp [Member] |  |  |
Cash |  | $ 1,243,216 |
Accounts receivable |  | 1,069,369 |
Inventory |  | 1,135,946 |
Other current assets |  | 105,806 |
Property and equipment |  | 4,545,402 |
Security deposits and other assets |  | 45,359 |
Intangible assets, net |  | 10,759,000 |
Total identifiable assets acquired |  | 18,905,098 |
Accounts payable |  | (553,747) |
Accrued expenses and other payables |  | (34,147) |
Other payables |  | (484,297) |
Total liabilities assumed |  | (1,072,191) |
Net identifiable assets acquired |  | 17,832,907 |
Goodwill |  | 1,227,752 |
Net assets acquired |  | $ 19,060,659 |

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