Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Cash flows from operating activities:
Net loss	$ (13,557)	$ (10,421)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation	846	831
Amortization	428	536
Stock-based compensation expense	158	409
Bad debt expense	5,145	88
Provision for obsolete inventory		142
Provision for warranty		162
Amortization of loan fees		90
Amortization of warrant cost to interest expense		94
Loss (gain) on sales of fixed assets	7	(15)
Change in deferred taxes	(173)	31
Provision for losses on contracts	85
Impairment charge		5,890
Operating expense (income) from solar system subject to financing obligation	(1,059)	(839)
Other non-cash activity	(11)
Changes in operating assets and liabilities:
Accounts receivable	9,401	15,836
Accounts receivable, related party	3,945	(3,692)
Notes receivable	(29,347)
Costs and estimated earnings in excess of billing on uncompleted contracts	8,990	(13,618)
Costs and estimated earnings in excess of billing on uncompleted contracts, related party		360
Construction in process	15,993	(16,329)
Inventories	405	4,235
Prepaid expenses and other assets	(1,150)	(3,141)
Accounts payable	(3,970)	12,844
Accounts payable, related party	(346)	(9,184)
Income taxes payable	72	(102)
Billings in excess of costs and estimated earnings on uncompleted contracts	(4,111)	196
Billings in excess of costs and estimated earnings on uncompleted contracts, related party	(49)	(2,804)
Accrued liabilities and other liabilities	(2,344)	3,582
Net cash used in operating activities	(10,642)	(14,819)
Cash flows from investing activities:
Proceeds from repayment on notes receivable	275	2,286
Issuance of notes receivable	(1,320)	(9,431)
Proceeds from disposal or sale of fixed assets	13	424
Proceeds from sale of asset held for sale		1,500
Acquisitions of property, plant and equipment	(195)	(1,033)
Net cash from investing activities	(1,227)	(6,254)
Cash flows from financing activities:
Proceeds from line of credit and loans payable	2,666	22,939
Proceeds from sale leaseback		6,284
(Increase) decrease in restricted cash	20	415
Cash distributions in connection with the transfer of entities under common control		(251)
Principal payments on loans payable and capital lease obligations	(7,538)	(12,320)
Net cash from financing activities	(4,852)	17,067
Effect of exchange rate changes on cash	(198)	(142)
Decrease in cash and cash equivalents	(16,919)	(4,148)
Cash and cash equivalents at beginning of period	17,823	24,523
Cash and cash equivalents at end of period	904	20,375
Supplemental cash flow information:
Cash paid for interest	1,420	939
Cash paid for income taxes	165	214
Non-cash activities:
Debt forgiveness from related party	2,602
Acquisition of an entity under common control financed with stock		6,031
Assignment of loan associated with asset held for sale		$ 4,153