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Goodwill and Intangible Assets (Details) - USD ($) |  | 3 Months Ended | 6 Months Ended | 9 Months Ended
--- | --- | --- | --- | ---
Dec. 21, 2016 | Dec. 31, 2017 | Dec. 31, 2017 | Dec. 31, 2017 | Dec. 31, 2017
Acquired intangible assets |  |  |  |  | $ 11,069,000
Amortization |  | $ 329,271 | $ 658,542 |  | 1,352,489
Intangible assets net |  | 9,716,511 | 9,716,511 | $ 9,716,511 | 9,716,511
ISP Optics Corp [Member] | Customer Relationships [Member] |  |  |  |  |
Acquired intangible assets | $ 3,590,000 |  |  |  | 3,590,000
Amortization |  |  |  |  | 245,767
Intangible assets net |  | 3,344,233 | 3,344,233 | 3,344,233 | $ 3,344,233
Acquired intangible assets - useful life | 15 years |  |  |  | 15 years
ISP Optics Corp [Member] | Backlog [Member] |  |  |  |  |
Acquired intangible assets | $ 366,000 |  |  |  | $ 366,000
Amortization |  |  |  |  | 187,919
Intangible assets net |  | 178,081 | 178,081 | 178,081 | $ 178,081
Acquired intangible assets - useful life | 2 years |  |  |  | 2 years
ISP Optics Corp [Member] | Trade Secrets [Member] |  |  |  |  |
Acquired intangible assets | $ 3,272,000 |  |  |  | $ 3,272,000
Amortization |  |  |  |  | 419,995
Intangible assets net |  | 2,852,005 | 2,852,005 | 2,852,005 | $ 2,852,005
Acquired intangible assets - useful life | 8 years |  |  |  | 8 years
ISP Optics Corp [Member] | Trademark [Member] |  |  |  |  |
Acquired intangible assets | $ 3,814,000 |  |  |  | $ 3,814,000
Amortization |  |  |  |  | 489,566
Intangible assets net |  | 3,324,434 | 3,324,434 | 3,324,434 | $ 3,324,434
Acquired intangible assets - useful life | 8 years |  |  |  | 8 years
ISP Optics Corp [Member] | Noncompete Agreement [Member] |  |  |  |  |
Acquired intangible assets | $ 27,000 |  |  | 27,000 |
Amortization |  |  |  | 9,242 |
Intangible assets net |  | $ 17,758 | $ 17,758 | $ 17,758 | $ 17,758
Acquired intangible assets - useful life | 3 years |  |  | 3 years |

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- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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