Note 20 - Restatement of Financial Statements (Details) - Restatement of Previously Filed Financial Statements (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013	Dec. 31, 2012
Costs and estimated earnings in excess of billings on uncompleted contracts	$ 18,700		$ 18,700
Construction in progress	3,429		3,429
Total assets	112,280		112,280		70,964
Accumulated deficit	(66,527)		(66,527)		(56,074)
Total stockholders’ equity	51,098		51,098		(2,867)
Net sales	22,646	21,289	32,588	27,254
Cost of goods sold	17,780	22,151	26,964	26,717
Gross profit	4,866	(862)	5,624	537
Net loss	(8,283)	(3,583)	(10,453)	(13,557)
Comprehensive loss	(8,281)	(3,598)	(10,599)	(13,678)
Net loss per common share:
Basic and Diluted (in Dollars per share)	$ (0.02)	$ (0.02)	$ (0.04)	$ (0.07)
Adjustments to reconcile net loss to net cash used in operating activities
Depreciation	300		781	846	300
Amortization			429	428
Stock-based compensation expense			208	158
Loss on extinguishment of convertible bonds	8,907		8,907
Non-cash interest expense			1,406
Change in fair value of derivative liability			(310)
Operating income from solar system subject to financing obligation			(760)	(1,059)
Other non-cash activity			14	(11)
Changes in operating assets and liabilities:
Accounts receivable			2,395	9,401
Costs and estimated earnings in excess of billing on uncompleted contracts			(18,700)	8,990
Construction in progress			(4,163)	15,993
Inventories			(2,696)	405
Construction in progress, current			(3,429)
Prepaid expenses and other assets			479	(1,150)
Accounts payable			7,440	(3,970)
Accounts payable, related party			(12,537)	(346)
Income taxes payable			911	72
Billings in excess of costs and estimated earnings on uncompleted contracts			(862)	(4,111)
Accrued liabilities and other liabilities			220	(2,344)
Net cash from operating activities			(30,720)	(10,642)
Net cash from investing activities			(354)	(1,227)
Net cash from financing activities			42,735	(4,852)
Effect of exchange rate changes on cash			97	(198)
Increase in cash and cash equivalents			11,758	(16,919)
Cash and cash equivalents at beginning of period	12,789	904	12,789	904	1,031	17,823
Cash and cash equivalents at end of period	12,789	904	12,789	904	1,031	17,823
Scenario, Previously Reported [Member]
Costs and estimated earnings in excess of billings on uncompleted contracts	22,705		22,705
Total assets	112,856		112,856
Accumulated deficit	(65,951)		(65,951)
Total stockholders’ equity	51,674		51,674
Net sales	26,651		36,593
Cost of goods sold	21,209		30,393
Gross profit	5,442		6,200
Net loss	(7,707)		(9,877)
Comprehensive loss	(7,705)		(10,023)
Net loss per common share:
Basic and Diluted (in Dollars per share)	$ (0.02)		$ (0.04)
Adjustments to reconcile net loss to net cash used in operating activities
Depreciation			781
Amortization			429
Stock-based compensation expense			208
Loss on extinguishment of convertible bonds			8,907
Non-cash interest expense			1,406
Change in fair value of derivative liability			(310)
Operating income from solar system subject to financing obligation			(760)
Other non-cash activity			14
Changes in operating assets and liabilities:
Accounts receivable			2,395
Costs and estimated earnings in excess of billing on uncompleted contracts			(22,705)
Construction in progress			(4,163)
Inventories			(2,696)
Prepaid expenses and other assets			479
Accounts payable			7,440
Accounts payable, related party			(12,537)
Income taxes payable			911
Billings in excess of costs and estimated earnings on uncompleted contracts			(862)
Accrued liabilities and other liabilities			220
Net cash from operating activities			(30,720)
Net cash from investing activities			(354)
Net cash from financing activities			42,735
Effect of exchange rate changes on cash			97
Increase in cash and cash equivalents			11,758
Cash and cash equivalents at beginning of period	12,789		12,789		1,031
Cash and cash equivalents at end of period	12,789		12,789		1,031
Scenario, Adjustment [Member]
Costs and estimated earnings in excess of billings on uncompleted contracts	(4,005)		(4,005)
Construction in progress	3,429		3,429
Total assets	(576)		(576)
Accumulated deficit	(576)		(576)
Total stockholders’ equity	(576)		(576)
Net sales	(4,005)		(4,005)
Cost of goods sold	(3,429)		(3,429)
Gross profit	(576)		(576)
Net loss	(576)		(576)
Comprehensive loss	(576)		(576)
Changes in operating assets and liabilities:
Costs and estimated earnings in excess of billing on uncompleted contracts			4,005
Construction in progress, current			$ (3,429)