Commitments and Contingencies - Additional Information (Detail)	1 Months Ended	0 Months Ended						1 Months Ended	0 Months Ended						1 Months Ended				12 Months Ended		0 Months Ended
	Nov. 19, 2013 USD ($)	Jul. 05, 2011 Claim	May 12, 2011 Claim Employee	Jun. 30, 2014 USD ($)	Jun. 30, 2014 EUR (€)	Jun. 11, 2014 USD ($)	Mar. 31, 2014 USD ($)	Jun. 17, 2011 Bonds USD ($) Claim	Oct. 17, 2011 Sinovel Wind Group Co. Ltd. USD ($)	Oct. 17, 2011 Sinovel Wind Group Co. Ltd. CNY	Oct. 08, 2011 Sinovel Wind Group Co. Ltd. USD ($)	Oct. 08, 2011 Sinovel Wind Group Co. Ltd. CNY	Sep. 13, 2011 Sinovel Wind Group Co. Ltd. USD ($)	Sep. 13, 2011 Sinovel Wind Group Co. Ltd. CNY	Feb. 27, 2012 Sinovel Wind Group Co. Ltd. USD ($)	Feb. 27, 2012 Sinovel Wind Group Co. Ltd. CNY	Dec. 22, 2011 Sinovel Wind Group Co. Ltd. USD ($)	Dec. 22, 2011 Sinovel Wind Group Co. Ltd. CNY	Mar. 31, 2011 Sinovel Wind Group Co. Ltd. USD ($)	Mar. 31, 2011 Sinovel Wind Group Co. Ltd. CNY	Sep. 16, 2011 Dalian Guotong Electric Co. Ltd. USD ($)	Sep. 16, 2011 Dalian Guotong Electric Co. Ltd. CNY	May 12, 2011 Ghodawat Energy Pvt Ltd USD ($)	May 12, 2011 Ghodawat Energy Pvt Ltd EUR (€)
Commitments And Contingencies [Line Items]
Adverse purchase commitments				$ 403,000			$ 402,000
Number of putative securities complaints			7					4
Number of officers putative securities filed against			2
Number of complaints additionally asserted claims against the underwriters			1
Sought compensation amount	10,000,000								157,000,000	1,000,000,000	58,000,000	370,000,000			17,000,000	105,000,000	190,000,000	1,200,000,000	76,000,000	485,000,000			24,000,000	18,000,000
Settlement amount expected to be funded by insurers				8,200,000
Settlement amount expected to be paid by issuance of common stock				1,800,000
Common stock, capital shares reserved for future issuance				944,882	944,882
Shortfall payment						500,000
Number of claims consolidated		3
Fees and expenses for plaintiffs' counsel								475,000
Value of the undelivered components																			720,000,000	4,600,000,000
Damages claimed for unauthorized use of software													6,000,000	38,000,000
Monetary damages for trade secret infringement													453,000,000	2,900,000,000
Monetary losses from copyright infringement																					200,000	1,200,000
Counterclaims under License Agreement																							8,000,000	6,000,000
Restricted cash included in current assets				6,099,000			2,913,000
Restricted cash				100,000			3,394,000
Line of credit outstanding				$ 3,700,000	€ 2,700,000