Note 3 - Private Placement of Series A 8% Convertible Preferred Stock and Common Stock Warrants (Details) (USD $)
1 Months Ended 12 Months Ended 12 Months Ended
Jun. 29, 2009
Jun. 30, 2008
Dec. 31, 2013
Dec. 31, 2012
Jun. 30, 2008
Common Stock Class A [Member]
Jun. 30, 2008
Common Stock Class B [Member]
Jun. 30, 2008
Common Stock Class C [Member]
Dec. 31, 2013
Liquidation Rights [Member]
Dec. 31, 2012
Liquidation Rights [Member]
Dec. 31, 2013
Dividend Rights [Member]
Dec. 31, 2012
Dividend Rights [Member]
Jun. 30, 2008
Common Stock Shares Purchased Per Class Of Warrant [Member]
Jun. 30, 2008
Aggregate Common Stock Shares Purchased For All Warrant Classes[Member]
Dec. 31, 2013
Preferred Class A [Member]
Dec. 31, 2013
Maximum [Member]
Jun. 15, 2012
Maximum [Member]
Note 3 - Private Placement of Series A 8% Convertible Preferred Stock and Common Stock Warrants (Details) [Line Items]                                
Preferred Stock, Dividend Rate, Percentage   8.00%                       8.00%    
Detachable Warrant Period   5 years                            
Class of Warrant or Right, Exercise Price of Warrants or Rights (in Dollars per Item)         1.25 1.50 1.75                  
Preferred Stock, Shares Issued (in Shares)   5,160,000                            
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in Shares)                       2,580,000 7,740,000      
Common Stock, Shares, Issued (in Shares)   2,250,000 24,449,626 23,155,146                       500,000
Preferred Stock, Liquidation Preference Per Share (in Dollars per share)               $ 1.20                
Preferred Stock Liquidation Preference Amount               $ 5,836,000                
undefined               5,883,000                
Dividends Payable               $ 52,000 $ 99,000 $ 52,000 $ 99,000          
Preferred Stock, Contract Terms 25%   10%                          
Preferred Stock, Dividend Payment Terms     20%                          
Convertible Preferred Stock, Settlement Terms     2%                       12%