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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 (¥) | Sep. 30, 2016 USD ($) | Mar. 31, 2016 USD ($)
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |
Restricted cash included in current assets |  |  |  |  |  |  |  |  | $ 452 | $ 457
Restricted cash included in long-term assets |  |  |  |  |  |  |  |  | $ 934 | $ 934
Sinovel Wind Group Co. Ltd. |  |  |  |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |
Sought compensation amount | $ 16,000 | ¥ 105 | $ 180,000 | ¥ 1,200 | $ 73,000 | ¥ 485 |  |  |  |
Value of the undelivered components |  |  |  |  |  |  | $ 690,000 | ¥ 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=25496072&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=25496072&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=25496072&loc=d3e14435-108349 + Details
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- Definition The carrying amounts of cash and cash equivalent items which are restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against short-term borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. For a classified balance sheet represents the current portion only (the noncurrent portion has a separate concept); there is a separate and distinct element for unclassified presentations. + References Reference 1: 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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