Note 2 - Summary of Significant Accounting Policies (Details) (USD $)
 0 Months Ended 1 Months Ended 12 Months Ended 1 Months Ended 12 Months Ended 12 Months Ended 1 Months Ended 12 Months Ended 1 Months Ended 1 Months Ended
Jan. 15, 2013
Feb. 25, 2014
Dec. 19, 2013
Dec. 31, 2013
Nov. 20, 2013
Nov. 25, 2013
Oct. 21, 2013
Sep. 30, 2013
Aug. 30, 2013
Dec. 19, 2013
Dec. 31, 2013
Dec. 31, 2012
Dec. 29, 2013
Dec. 31, 2011
Jan. 27, 2014
Subsequent Event [Member]
Feb. 25, 2014
Subsequent Event [Member]
Dec. 31, 2013
Solar Panels and Inverters [Member]
Maximum [Member]
Dec. 31, 2013
Solar Panels and Inverters [Member]
Minimum [Member]
Dec. 31, 2013
Material and Workmanship [Member]
Dec. 31, 2013
Installation [Member]
Dec. 31, 2012
Installation [Member]
Dec. 31, 2013
Installation [Member]
Maximum [Member]
Dec. 31, 2013
Installation [Member]
Minimum [Member]
Dec. 31, 2013
Defective Products [Member]
Maximum [Member]
Dec. 31, 2013
Defective Products [Member]
Minimum [Member]
Dec. 31, 2013
General and Administrative Expense [Member]
Dec. 31, 2012
General and Administrative Expense [Member]
Sep. 30, 2013
Series D Preferred Stock [Member]
Securities Pledged as Collateral [Member]
Sep. 30, 2013
Series D Preferred Stock [Member]
Aug. 30, 2013
Series D Preferred Stock [Member]
Sep. 30, 2013
Accounts Receivable [Member]
Sep. 30, 2013
Raw Materials [Member]
Sep. 30, 2013
Finished Goods [Member]
Sep. 30, 2013
Cash [Member]
Sep. 30, 2013
Aggregate, Cash, Raw Material, and Finished Goods [Member]
Dec. 31, 2013
Patents [Member]
Dec. 31, 2012
Patents [Member]
Sep. 30, 2013
Advances [Member]
Sep. 30, 2013
Maximum [Member]
Dec. 31, 2013
Maximum [Member]
Sep. 30, 2013
Minimum [Member]
Advances [Member]
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]                                                                                  
Cash       $ 150,000             $ 150,000                                                            
Restructuring and Related Cost, Number of Positions Eliminated 12                                                                                
Convertible Notes Payable     250,000 442,084         200,000 250,000 442,084                                     200,000                      
Proceeds from Convertible Debt     250,000     200,000     200,000           100,000                                                    
Warrants Issued During Period, Warrants (in Shares)     6,250,000               6,250,000                                                            
Class of Warrant or Right, Exercise Price of Warrants or Rights (in Dollars per Share)   $ 0.02 $ 0.02 $ 0.49           $ 0.02 $ 0.49 $ 1.36 $ 0.02 $ 3.57   $ 0.02                                                  
Debt Conversion, Converted Instrument, Amount   200,000                                                                              
Debt Conversion, Converted Instrument, Warrants or Options Issued (in Shares)   5,000,000                 53,623                                                            
Debt Instrument, Interest Rate, Stated Percentage       8.00%             8.00%       8.00%                                             12.00%      
Debt Instrument, Convertible, Conversion Price (in Dollars per share)     $ 0.02 $ 0.02           $ 0.02 $ 0.02       $ 0.02                                                    
Debt Instrument, Convertible, Threshold Consecutive Trading Days                   20 days 20 days                                                            
Debt Instrument, Convertible, Stock Price Trigger (in Dollars per share)       $ 0.04           $ 0.04 $ 0.04                                                            
Equity Method Investment, Ownership Percentage                                                                               9.99%  
Line Of Credit Facility, Maximum Borrowing Capacity, Percentage                     120.00%                                       80.00% 50.00% 65.00% 95.00%              
Derivative Asset, Fair Value, Gross Liability     243,889 243,889           243,889 243,889                                                            
Embedded Derivative, Gain (Loss) on Embedded Derivative, Net                     65,962                                                            
Fair Value Assumptions, Expected Volatility Rate                     149.10%                                                            
Fair Value Assumptions, Risk Free Interest Rate                     0.70%                                                            
Fair Value Assumptions, Expected Term                     4 years 36 days                                                            
Debt Instrument, Unamortized Discount       109,000             109,000                                                            
Line of Credit Facility, Expiration Period               1 year                                                                  
Line of Credit Facility, Maximum Borrowing Capacity               500,000                                             200,000       300,000            
Interest Expense                                                                                 500
Preferred Stock, Shares Issued (in Shares)                                                       50   147                      
Line of Credit Facility, Collateral Fees, Amount               5,000                                                                  
Line of Credit Facility, Administrative Fee, Percentage               0.50%                                                                  
Line of Credit Facility, Administrative Fee, Amount                                                                             500    
Prepayment Fee, Percent               0.50%                                                                  
Line of Credit Facility, Amount Outstanding       500,000     500,000 350,000     500,000                                   350,000                        
Proceeds from Lines of Credit         50,000 50,000 100,000                                                                    
Finite-Lived Intangible Assets, Remaining Amortization Period                                                                       11 years          
Finite-Lived Intangible Assets, Net                                                                       1,400,000          
Finite-Lived Intangible Assets, Accumulated Amortization                                                                       201,000          
Finite-Lived Intangible Asset, Useful Life                                                                       17 years          
Amortization of Intangible Assets                     113,071 67,919                                               113,000 68,000        
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months                                                                       114,000          
Other Finite-Lived Intangible Assets, Gross                                                                       145,000          
Warranty Period                                 25 years 15 years 5 years     10 years 5 years 25 years 5 years                                
Product Warranty Accrual, Current       344,990             344,990 329,680                                                          
Disposal Group, Including Discontinued Operation, Other Current Liabilities                                       968,000 1,100,000                                        
Advertising Expense                     16,000 144,000                                                          
Research and Development Expense                                                   $ 243,000 $ 649,000                            
Number of Wholly Owned Subsidiaries       2             2