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Note 8 - Convertible Notes to Related Parties (Details) (USD $)
 0 Months Ended 3 Months Ended 6 Months Ended 1 Months Ended 6 Months Ended 3 Months Ended
Jul. 29, 2011
Jun. 30, 2013
Jun. 30, 2013
Jun. 30, 2012
Dec. 31, 2012
Apr. 30, 2011
Apr. 30, 2011
Initial Closing Amount [Member]
Apr. 30, 2011
Purchase Option [Member]
Apr. 30, 2011
Common Stock [Member]
Apr. 30, 2011
Principal Amount [Member]
May 31, 2012
Senior Notes [Member]
Jul. 01, 2011
Senior Notes [Member]
Apr. 30, 2011
Senior Notes [Member]
Jun. 30, 2013
Senior Notes [Member]
Jun. 30, 2013
Payment in Kind (PIK) Note [Member]
Note 8 - Convertible Notes to Related Parties (Details) [Line Items]                              
Convertible Debt Issuable In Connection With Private Placement1           $ 4,500,000             $ 4,500,000    
Notes Authorized Under Private Placement Initial Closing             1,500,000                
Purchase Option Under Private Placement               3,000,000              
Debt Instrument Conversion Ratio, Shares (in Shares)                 25,000            
Debt Instrument, Convertible, Conversion Ratio                   1,000          
Proceeds from Debt, Net of Issuance Costs                     3,000,000   1,300,000    
Debt Instrument, Interest Rate, Stated Percentage                       6.00% 20.00%    
Debt Instrument, Maturity Date                       May 02, 2021      
Debt Instrument, Maturity Date Range, Start                       May 02, 2012      
Beneficial Ownership After Conversion                       9.99%      
Notice Period Associated with Beneficial Ownership Percentage Limitation, Convertible Notes                       61 days      
Common Shares Registered For Resale In Connection With Convertible Notes (in Shares) 69,600,000                            
Paid-in-Kind Interest                             72,000
Interest Expense, Debt, Excluding Amortization   73,000 145,000                        
Amortization of Debt Discount (Premium)   132,000 261,000 136,000                      
Carrying Value of Notes Outstanding   754,000 754,000   492,000                 754,000  
Debt Instrument, Face Amount                           4,885,000  
Debt Instrument, Unamortized Discount                           4,131,000  
Debt Instrument, Convertible, Number of Equity Instruments                           122,100,000  
Interest Payable, Current   $ 73,000 $ 73,000