v3.3.1.900
Note 14 - Concentration of Risk (Details) - Percentages of Sales to Largest Customers - Sales Revenue, Goods, Net [Member] - Customer Concentration Risk [Member]
9 Months Ended 12 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Dec. 31, 2014
Dec. 31, 2013
Smart Energy Today [Member]        
Concentration Risk [Line Items]        
Percentage of Sales 30.40% 13.50% 13.30% 13.50%
Rectify LLC [Member]        
Concentration Risk [Line Items]        
Percentage of Sales 10.80% 0.00%    
Saddleback Cellars [Member]        
Concentration Risk [Line Items]        
Percentage of Sales 0.00% 0.00%    
WDC Solar, Inc. [Member]        
Concentration Risk [Line Items]        
Percentage of Sales 0.00% 14.70% 12.00% 14.70%
JCF Wholesale [Member]        
Concentration Risk [Line Items]        
Percentage of Sales 0.00% 10.60% 8.70% 10.60%