Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Cash flows from operating activities:
Net loss	$ (37,455)	$ (832)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation	681	263
Amortization	43	143
Stock-based compensation expense	32,902	215
Change in fair value of derivative liability	(11)
Deferred income tax benefit	(32)
Non-cash interest expense	751
Operating income from solar system subject to financing obligation	(135)	(89)
Other non-cash expense	461
Changes in operating assets and liabilities:
Accounts receivable	(979)	524
Accounts receivable, related party		62
Finance lease receivable	(2,159)
Costs and estimated earnings in excess of billings on uncompleted contracts	(11,333)
Restricted cash related to operating activities	(30,582)
Project assets	(33,424)
Inventories	(1,232)
Prepaid expenses and other assets	(25,173)	(373)
Accounts payable	13,986	(426)
Accounts payable, related party	(3,484)	(3)
Note payable	20,107
Advances from customers	1,261
Income taxes payable	1,600
Billings in excess of costs and estimated earnings on uncompleted contracts		(170)
Accrued liabilities and other liabilities	(538)	(8)
Other liabilities, related party	50
Net cash used in operating activities	(74,695)	(694)
Cash flows from investing activities:
Proceeds from repayment of notes receivable	837
Issuance of notes receivable		79
Acquisitions of property, plant and equipment	(394)
Acquisitions of project assets,	(10,749)
Acquisitions of new subsidiaries, net of cash acquired	251
Acquisition of short-term investments	(25,810)
Placement of bank deposit with maturity over three months	(5,323)
Uplift of bank deposit with maturity over three months	8,852
Proceeds from disposal of short-term investments	25,810
Net cash (used in)/generated from investing activities	(6,526)	79
Cash flows from financing activities:
Proceeds from issuance of common stocks	12,000
Proceeds from new short term borrowings	53,275
Decrease in restricted cash	80
Repayments of short term borrowings	(44,094)
Net cash generated from financing activities	21,261
Effect of exchange rate changes on cash	(273)	(144)
Decrease in cash and cash equivalents	(60,233)	(759)
Cash and cash equivalents at beginning of period	156,540	1,031
Cash and cash equivalents at end of period	96,307	272
Supplemental cash flow information:
Interest paid	88	$ 41
Non-cash investing and financing activities:
Coupons issued to settle accounts payable	219
Common Stock Issued to Acquire New Subsidiaries [Member]
Non-cash investing and financing activities:
Common stock issued-Non cash activity	$ 8,072