Note 12 - Stockholders' Equity (Detail) - Warrant Activity (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Acquired in a transfer of an entity under common control (1)		2,505,175	[1]
Acquired in a transfer of an entity under common control (1) (in Dollars per share)		$ 0.92	[1]
Exercisable December 31, 2012	1,609,500
Exercisable December 31, 2012 (in Dollars per share)	$ 0.64
Exercisable December 31, 2012	2 years 237 days
Issued	2,620,000	4,890,000
Issued (in Dollars per share)	$ 0.33	$ 0.44
Warrant [Member]
Outstanding as of January 1, 2011 (1)	2,066,302		[2]
Outstanding as of January 1, 2011 (1) (in Dollars per share)	$ 2.91		[2]
Outstanding as of January 1, 2011 (1)	2 years 36 days	332 days
Acquired in a transfer of an entity under common control (1)		2,866,302	[2]
Acquired in a transfer of an entity under common control (1) (in Dollars per share)		$ 2.42	[2]
Acquired in a transfer of an entity under common control (1)		2 years 40 days	[2]
Shares	(2,066,302)	(800,000)
Weighted- Average Exercise Price Per Share (in Dollars per share)	$ 2.91	$ 1.15
Shares	300,000	2,066,302
Weighted- Average Exercise Price Per Share (in Dollars per share)	$ 0.75	$ 2.91
Weighted- Average Remaining Contractual Term	2 years 36 days	332 days
Exercisable December 31, 2012	300,000
Exercisable December 31, 2012 (in Dollars per share)	$ 0.75
Exercisable December 31, 2012	2 years 36 days
Issued	300,000
Issued (in Dollars per share)	$ 0.75
Issued	3 years

[1] 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 5-Acquisition of Solar Green Technology ).

[2] As adjusted to reflect the balances of Solar Power, Inc. beginning March 31, 2011, at the carrying value of LDK as required under the accounting guidelines for a transfer of an entity under common control (refer to Note 5 -Acquisition of Solar Green Technology).