Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012		Dec. 31, 2011
Cash flows from operating activities:
Net (loss) income	$ (25,428)		$ 1,606	[1],[2],[3],[4]
Adjustments to reconcile net (loss) income to net cash used in operating activities:
Depreciation	1,062		806	[1]
Amortization of intangible assets	714		535	[1]
Stock-based compensation expense	455		461	[1]
Bad debt expense	375		780	[1]
Provision for obsolete inventory	291		253	[1]
Provision for warranty	221		212	[1]
(Gain) loss on sales of fixed assets	(12)		4	[1]
Amortization of loan fees	174		7	[1]
Change in deferred taxes	387		(85)	[1]
Impairment charges	6,038		400	[1],[2]
Non-cash activity related to solar system subject to financing obligation	(1,000)		(724)	[1]
Changes in operating assets and liabilities:
Accounts receivable	27,077		(62,577)	[1]
Accounts receivable, related party	12,877		(24,355)	[1]
Costs and estimated earnings in excess of billing on uncompleted contracts	(21,195)		27,009	[1]
Costs and estimated earnings in excess of billing on uncompleted contracts, related party	360		(360)	[1]
Construction in process	(16,078)			[1]
Inventories	6,067		(42)	[1]
Prepaid expenses and other assets	(3,127)		(680)	[1]
Accounts payable	3,534		(3,181)	[1]
Accounts payable, related party	(10,649)		46,713	[1]
Income taxes payable	(556)		438	[1]
Billings in excess of costs and estimated earnings on uncompleted contracts	3,980		(17,115)	[1]
Billings in excess of costs and estimated earnings on uncompleted contracts, related party	(2,943)		2,992	[1]
Accrued liabilities and other liabilities	2,979		813	[1]
Net cash used in operating activities	(14,397)		(26,090)	[1]
Cash flows from investing activities:
Proceeds from repayment on notes receivable	2,286			[1]
Issuance of notes receivable	(10,544)		(5,862)	[1]
Proceeds from disposal or sale of fixed assets	424			[1]
Proceeds from sale of asset held for sale	1,500			[1]
Acquisitions for construction of asset held for sale			(5,508)	[1]
Acquisitions of property, plant and equipment	(1,011)		(188)	[1]
Net cash used in investing activities	(7,345)		(11,558)	[1]
Cash flows from financing activities:
Cash assumed as part of the combination of Solar Power, Inc.			26,182	[1]
Proceeds from line of credit and loans payable	26,474		41,286	[1]
Proceeds from sale leaseback	6,533			[1]
Decrease in restricted cash	538		285	[1]
Cash distributions in connection with the transfer of entities under common control	(251)			[1]
Payment of loan fees			(772)	[1]
Principal payments on loans payable and capital lease obligations	(18,854)		(10,354)	[1]
Net cash provided by financing activities	14,440		56,627	[1]
Effect of exchange rate changes on cash	602		161	[1]
(Decrease) increase in cash and cash equivalents	(6,700)		19,140	[1]
Cash and cash equivalents at beginning of period	24,523	[1]	5,383	[1]
Cash and cash equivalents at end of period	17,823		24,523	[1]
Supplemental cash flow information:
Cash paid for interest	2,000		509
Cash paid for income taxes	516		45
Non-cash activities:
Acquisition of an entity under common control financed with stock	6,031
Assignment of loan associated with asset held for sale	$ 4,153

[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 5 -Acquisition of Solar Green Technology).

[2] 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 5 -Acquisition of Solar Green Technology ).

[3] As recast to reflect the financial results of SGT beginning January 1, 2011 combined with the financial results of Solar Power, Inc. beginning March 31, 2011, as required under the accounting guidelines for a transfer of an entity under common control (see Note 5- Acquisition of Solar Green Technology).

[4] 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 ).