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Commitments and Contingencies - Additional Information (Detail) $ in Thousands, ¥ in Millions |  |  |  | 1 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Feb. 27, 2012 USD ($) | Feb. 27, 2012 CNY (¥) | Oct. 08, 2011 USD ($) | Oct. 08, 2011 CNY (¥) | Sep. 13, 2011 USD ($) | Sep. 13, 2011 CNY (¥) | Mar. 31, 2011 USD ($) | Mar. 31, 2011 CNY (¥) | Jun. 30, 2017 USD ($) | Mar. 31, 2017 USD ($)
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |
Restricted cash included in current assets |  |  |  |  |  |  |  |  | $ 100 | $ 795
Restricted cash included in long-term assets |  |  |  |  |  |  |  |  | $ 165 | $ 165
Sinovel Wind Group Co. Ltd. |  |  |  |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |
Sought compensation amount | $ 15,000 | ¥ 105 | $ 177,000 | ¥ 1,200 | $ 72,000 | ¥ 485 |  |  |  |
Value of the undelivered components |  |  |  |  |  |  | $ 679,000 | ¥ 4,600 |  |

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- Definition The value (monetary amount) of the award the plaintiff seeks in the legal matter. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14326-108349 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 9 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14557-108349 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14435-108349 + Details
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- Definition Amount of cash and cash equivalents restricted as to withdrawal or usage, classified as current. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=98513485&loc=SL98516268-108586 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3044-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=82887183&loc=d3e6676-107765 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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