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Acquisition (Details) - USD ($) | 9 Months Ended |
--- | --- | ---
Dec. 31, 2017 | Jul. 18, 2017
Developed Technology [Member] |  |
Business Acquisition [Line Items] |  |
Estimated useful life | 3 years |
Trademarks [Member] |  |
Business Acquisition [Line Items] |  |
Estimated useful life | 9 years |
D&V Electronics Ltd [Member] |  |
Business Acquisition [Line Items] |  |
Inventory |  | $ 3,379,000
Other net assets |  | 1,121,000
D&V Electronics Ltd [Member] | Developed Technology [Member] |  |
Business Acquisition [Line Items] |  |
Finite-lived intangible assets acquired |  | 308,000
Estimated useful life | 3 years |
D&V Electronics Ltd [Member] | Trademarks [Member] |  |
Business Acquisition [Line Items] |  |
Finite-lived intangible assets acquired |  | $ 185,000
Estimated useful life | 2 years |

X
- Definition Amount of other current and non-current net assets acquired at the acquisition date. + References No definition available. + Details
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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 amount of identifiable intangible assets recognized as of the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 55 -Paragraph 37 -URI http://asc.fasb.org/extlink&oid=84160947&loc=d3e2207-128464 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472 + Details
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- Definition The amount of inventory recognized as of the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 55 -Paragraph 37 -URI http://asc.fasb.org/extlink&oid=84160947&loc=d3e2207-128464 + Details
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- Details
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