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Goodwill and Intangible Assets (Details 1) - USD ($) |  | 6 Months Ended
--- | --- | ---
Dec. 21, 2016 | Dec. 31, 2016
Acquired intangible assets |  | $ 10,759,000
ISP Optics Corp [Member] |  |
Acquired intangible assets | $ 10,800,000 |
ISP Optics Corp [Member] | Customer Relationships [Member] |  |
Acquired intangible assets | $ 5,633,000 |
Acquired intangible assets - useful life | 15 years |
ISP Optics Corp [Member] | Backlog [Member] |  |
Acquired intangible assets | $ 261,000 |
Acquired intangible assets - useful life | 2 years |
ISP Optics Corp [Member] | Trade Secrets [Member] |  |
Acquired intangible assets | $ 2,546,000 |
Acquired intangible assets - useful life | 8 years |
ISP Optics Corp [Member] | Trademark [Member] |  |
Acquired intangible assets | $ 2,290,000 |
Acquired intangible assets - useful life | 8 years |
ISP Optics Corp [Member] | Noncompete Agreement [Member] |  |
Acquired intangible assets | $ 29,000 |
Acquired intangible assets - useful life | 3 years |

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- Definition Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition. + References No definition available. + Details
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