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Assets Held for Sale - Additional Information (Detail)	1 Months Ended
	Jul. 31, 2016 USD ($)	Sep. 30, 2016 USD ($)	Aug. 01, 2016 Employees	May 31, 2016 USD ($)	Dec. 31, 2015 USD ($)
Long Lived Assets Held-for-sale [Line Items]
Number of impacted employees | Employees			50
Assets held for sale		$ 1,450,000			$ 5,217,929
Discontinued Operations, Held-for-sale [Member]
Long Lived Assets Held-for-sale [Line Items]
Number of impacted employees | Employees			50
Assets held for sale				$ 1,450,000
Newark Facility [Member] | Discontinued Operations, Held-for-sale [Member]
Long Lived Assets Held-for-sale [Line Items]
Proceeds from sale of property held for sale	$ 819,000
Sunnyvale Facility [Member]
Long Lived Assets Held-for-sale [Line Items]
Proceeds from sale of property held for sale	650,000
Sunnyvale Facility [Member] | Discontinued Operations, Held-for-sale [Member]
Long Lived Assets Held-for-sale [Line Items]
Tangible assets acquired by unrelated company	$ 650,000

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- Definition

Business combination recognized identifiable assets acquired and liabilities assumed tangible assets.

+ References

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- Definition

Number of impacted employees due to workforce reduction.

+ References

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- Definition

Amount classified as property, plant and equipment attributable to disposal group held for sale or disposed of, expected to be disposed of after one year or the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=64862545&loc=d3e2941-110230

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 20
-Section 45
-Paragraph 11
-URI http://asc.fasb.org/extlink&oid=65878427&loc=SL51721533-107759

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 45
-Paragraph 11
-URI http://asc.fasb.org/extlink&oid=68055307&loc=d3e2510-110228

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 20
-Section 50
-Paragraph 5B
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-URI http://asc.fasb.org/extlink&oid=64827811&loc=SL51721673-107760

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

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- Definition

The cash inflow from the sale of formerly productive land held for sale, anything permanently fixed to it, including buildings, structures on it, and so forth.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3179-108585

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