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Assets Held for Sale - Additional Information (Detail) | 1 Months Ended | 3 Months Ended |  |
--- | --- | --- | --- | ---
Jul. 31, 2016 USD ($) | Jun. 30, 2016 USD ($) | Jun. 30, 2015 USD ($) | Aug. 01, 2016 Employees | Jul. 13, 2016 USD ($)
Long Lived Assets Held-for-sale [Line Items] |  |  |  |  |
Depreciation expense |  | $ 177,000 | $ 255,000 |  |
Subsequent Events [Member] |  |  |  |  |
Long Lived Assets Held-for-sale [Line Items] |  |  |  |  |
Number of impacted employees | Employees |  |  |  | 50 |
Discontinued Operations, Held-for-sale [Member] | Subsequent Events [Member] |  |  |  |  |
Long Lived Assets Held-for-sale [Line Items] |  |  |  |  |
Number of impacted employees | Employees |  |  |  | 50 |
Newark Facility [Member] | Discontinued Operations, Held-for-sale [Member] | Subsequent Events [Member] |  |  |  |  |
Long Lived Assets Held-for-sale [Line Items] |  |  |  |  |
Proceeds from sale of property held for sale | $ 800,000 |  |  |  |
Sunnyvale Facility [Member] | Subsequent Events [Member] |  |  |  |  |
Long Lived Assets Held-for-sale [Line Items] |  |  |  |  |
Tangible assets acquired by unrelated company |  |  |  |  | $ 650,000
Sunnyvale Facility [Member] | Discontinued Operations, Held-for-sale [Member] | Subsequent Events [Member] |  |  |  |  |
Long Lived Assets Held-for-sale [Line Items] |  |  |  |  |
Tangible assets acquired by unrelated company | $ 650,000 |  |  |  |

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- Definition The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation. + References Reference 1: 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=66902209&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 + Details
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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 + Details
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