Stockholders' Equity - Additional Information (Detail)	1 Months Ended	9 Months Ended																	9 Months Ended				3 Months Ended	9 Months Ended	3 Months Ended
	Oct. 31, 2010	Sep. 30, 2012 USD ($)	Jun. 27, 2012 USD ($)	Jun. 27, 2012 EUR (€)	Jun. 12, 2012 USD ($)	Jun. 08, 2012	Feb. 15, 2012 USD ($)	Dec. 31, 2011 USD ($)		Dec. 26, 2011 USD ($)	Jul. 22, 2011 USD ($)	Jun. 30, 2011		Jun. 22, 2011	Mar. 31, 2011 USD ($)	Jan. 10, 2011 USD ($)	Mar. 31, 2011 LDK [Member] USD ($)	Jan. 10, 2011 LDK [Member] USD ($)	Sep. 30, 2012 LDK Europe [Member]	Jun. 30, 2012 LDK Europe [Member]	Sep. 30, 2012 Founders [Member]	Jun. 30, 2012 Founders [Member]	Sep. 30, 2012 Cathay [Member] USD ($)	Sep. 30, 2012 Cathay [Member] USD ($)	Sep. 30, 2012 Consultant [Member]	Sep. 30, 2011 Consultant [Member]	Jun. 22, 2011 Issuance Of Common Stock [Member]	Jun. 22, 2011 Series A Preferred Stock [Member]	Jun. 22, 2011 Series A Preferred Stock [Member] LDK [Member]	Feb. 15, 2012 Warrant [Member] USD ($)	Oct. 31, 2010 Warrant [Member] USD ($)
Class of Stock [Line Items]
Preferred stock, shares issued		0						0	[1]						20,000,000		20,000,000												20,000,000
Aggregate purchase price of series A Preferred Stock, shares issued									[1]						$ 22,200,000		$ 22,200,000
Automatic converted Preferred stock																											88,910,400	88,910,400
Common Stock, shares issued		198,214,456						198,214,456	[1]							42,835,947		42,835,947												300,000	500,000
Aggregate purchase price of Common Stock shares, issued		20,000						18,000	[1]							10,700,000		10,700,000
Percentage of shares issued under Stock Purchase Agreement to outstanding Common Stock														70.00%														70.00%	70.00%
Restricted Common Stock						400,000		5,171,500			400,000	525,868	[2]
Fair value of shares					$ 0.265						$ 0.480
Business acquisition purchase price			6,300,000	5,000,000
Shares																			9,771,223	9,771,223	1,814,655	1,814,655
Common stock, per share value																														$ 0.75	$ 0.25
Aggregate principle amount of common stock							9,000,000			9,000,000
Fair value of shares																														$ 0.44	$ 0.23
Exercise price of warrant							$ 0.75
Interest expense		$ 94,000																					$ 38,000.0	$ 0.1
Expiration date of warrant	Oct. 01, 2015	Feb. 15, 2015
Interest expense																									0	0
Number of Share for a warrant which is cancelled		500,000

[1] As recast to reflect the balances of Solar Green Technology S.p.A. ("SGT") beginning January 1, 2011 combined with the balances of Solar Power, Inc. beginning March 31, 2011, as required under the accounting guidelines for a transfer of an entity under common control (refer to Note 4-Acquisition of Solar Green Technology).

[2] As recast to reflect the activity of SGT beginning January 1, 2011 combined with the balances of Solar Power, Inc. beginning March 31, 2011, as required under the accounting guidelines for a transfer of an entity under common control (refer to Note 4-Acquisition of Solar Green Technology).