Note 3 - Summary of Significant Accounting Policies (Details) (USD $)	12 Months Ended						3 Months Ended		3 Months Ended	4 Months Ended	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2013 Solar Modules [Member]	Dec. 31, 2013 Inverter and Balance of System Components [Member]	Dec. 31, 2012 Greek Projects [Member]	Dec. 31, 2012 Italy Project [Member]	Mar. 31, 2013 Sale of Greece Project [Member] Completed Contract Method [Member]	Sep. 30, 2013 Sale of Greece Project [Member] Completed Contract Method [Member]	Dec. 31, 2013 Sale of Greece Project [Member] Completed Contract Method [Member]	Dec. 31, 2013 Minimum [Member]	Dec. 31, 2013 Maximum [Member]
Note 3 - Summary of Significant Accounting Policies (Details) [Line Items]
Proceeds from Customers for Progress Payments			$ 10,800,000
Loss on Contracts							2,700,000
Construction in Progress, Gross			16,078,000				14,700,000	1,400,000
Revenues	42,629,000	[1]	99,956,000	[1]					1,800,000	13,900,000	13,900,000
Contract Terms												30 days	365 days
Shipping, Handling and Transportation Costs	100,000		600,000
Advertising Expense	100,000		100,000
Warranty Term					25 years	5 years
Pension Expense	$ 100,000		$ 600,000

[1] Sales are attributed to countries based on location of customer.