Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Cash flows from operating activities:
Net loss	$ (4,196)	$ (6,602)
Adjustments to reconcile loss to net cash used in operating activities:
Depreciation	498	685
Amortization	7
Stock-based compensation expense	150	197
Bad debt expense	168	471
Loss on disposal of fixed assets		4
Operating income from solar system subject to financing obligation	(304)	(270)
Impairment charge	400
Changes in operating assets and liabilities:
Accounts receivable	(3,850)	3,732
Accounts receivable, related party	(2,034)
Costs and estimated earnings in excess of billing on uncompleted contracts	(431)	(3,358)
Costs and estimated earnings in excess of billing on uncompleted contracts, related party	(5,033)
Inventories	(10,167)	314
Asset held for sale		(251)
Prepaid expenses and other current assets	3	60
Accounts payable	(2,130)	279
Accounts payable, related party	9,380
Income taxes payable		(126)
Billings in excess of costs and estimated earnings on uncompleted contracts	1,474	599
Accrued liabilities and other liabilities	(835)	(120)
Net cash used in operating activities	(16,900)	(4,386)
Cash flows from investing activities:
Acquisitions of property, plant and equipment	(41)	(25)
Net cash used in investing activities	(41)	(25)
Cash flows from financing activities:
Proceeds from issuance of common and preferred stock, net	32,719
Decrease (increase) in restricted cash	639	(285)
Net proceeds from loans payable	4,500	3,899
Loan fees	(107)	(101)
Principal payments on loans payable and capital lease obligations	(3,797)	(168)
Net cash provided by financing activities	33,954	3,345
Effect of exchange rate changes on cash	25	6
Increase (decrease) in cash and cash equivalents	17,038	(1,060)
Cash and cash equivalents at beginning of period	1,441	3,136
Cash and cash equivalents at end of period	18,479	2,076
Supplemental disclosure of cash flow information:
Cash paid for interest	398	16
Cash paid for income taxes	10	126
Supplemental disclosure of non-cash investing and financing activities:
Equipment acquired through loans payable and capital lease obligations		14
Amounts reclassified from costs and estimated earnings in excess of billing on uncompleted contracts to assets held for sale		$ 9,765