Note 5 - Concentrations (Details)
12 Months Ended
Dec. 31, 2013
TwoCustomers [Member]
Accounts Receivable [Member]
Dec. 31, 2012
Three Customers [Member]
Accounts Receivable [Member]
Dec. 31, 2013
Development Construction And Electricity Sales [Member]
Sales [Member]
Dec. 31, 2012
Sales Revenue, Product Line [Member]
Note 5 - Concentrations (Details) [Line Items]        
Concentration Risk, Percentage 64.00% 48.00% 55.00% 49.00%
Concentration Risk, Customer     three two