Note 7 - Accounts and Notes Receivable (Details) (USD $)	9 Months Ended			12 Months Ended		12 Months Ended	3 Months Ended			3 Months Ended	12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013	Dec. 31, 2013 Sale of Greece Project [Member]	Sep. 30, 2014 Sale of Greece Project [Member]	Dec. 31, 2013 Sale of Greece Project [Member] Completed Contract Method [Member]	Jun. 30, 2013 Second Unrealated Customer [Member] Expected Collection Period [Member]	Sep. 30, 2014 Second Unrealated Customer [Member]	Dec. 31, 2013 Second Unrealated Customer [Member]	Jun. 30, 2013 Second Unrealated Customer [Member] Expected Collection Period [Member]	Dec. 31, 2013 Exchange and Release Agreement [Member] KDC Solar RTC, LLC [Member]	Sep. 30, 2014 Exchange and Release Agreement [Member] KDC Solar RTC, LLC [Member]
Note 7 - Accounts and Notes Receivable (Details) [Line Items]
Revenues						$ 13,900,000
Increase (Decrease) in Accounts Receivable	(2,395,000)	(9,401,000)		8,800,000
Accounts Receivable Extended Collection Period				6 years
Accrued Liabilities, Current	813,000		741,000	5,100,000
Accounts Receivable, Net, Current	7,020,000		6,260,000	2,200,000	1,800,000			1,600,000	2,000,000
Accounts Receivable, Net, Noncurrent	9,194,000		12,349,000	6,600,000	4,900,000			4,300,000	5,800,000
Exchange of Account Receivable from Current to Noncurrent										5,900,000
Accounts Receivable, Collection Term							1 year				15 years
Notes, Loans and Financing Receivable, Net, Noncurrent	$ 13,416,000		$ 13,668,000								$ 13,700,000	$ 13,400,000