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Note 6 - Stock Based Compensation (Details) (USD $)
 12 Months Ended 12 Months Ended 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2013
Initial Grant [Member]
Employee Stock Option [Member]
2005 Plan [Member]
Non Employee Directors [Member]
Dec. 31, 2013
Annually [Member]
2005 Plan [Member]
Board of Directors Chairman [Member]
Dec. 31, 2013
Quarterly [Member]
2005 Plan [Member]
Non Employee Directors [Member]
Dec. 31, 2013
Non Qualified Stock Options [Member]
2005 Plan [Member]
Minimum [Member]
Dec. 31, 2013
Non Qualified Stock Options [Member]
The 2013 Plan [Member]
Minimum [Member]
Dec. 31, 2013
Employee Stock Option [Member]
2005 Plan [Member]
Non Employee Directors [Member]
Dec. 31, 2013
Employee Stock Option [Member]
2005 Plan [Member]
Board of Directors Chairman [Member]
Dec. 31, 2013
Employee Stock Option [Member]
2005 Plan [Member]
Employees [Member]
Dec. 31, 2012
Employee Stock Option [Member]
2005 Plan [Member]
Employees [Member]
Jun. 30, 2013
Employee Stock Option [Member]
The 2013 Plan [Member]
Dec. 31, 2013
Employee Stock Option [Member]
Dec. 31, 2011
Stock Options Performance Based Vesting [Member]
2005 Plan [Member]
Employees [Member]
Dec. 31, 2013
Restricted Stock [Member]
2005 Plan [Member]
Garden State Securities and JFS Investments [Member]
Dec. 31, 2012
Restricted Stock [Member]
2005 Plan [Member]
Garden State Securities and JFS Investments [Member]
Dec. 31, 2013
Restricted Stock [Member]
Dec. 31, 2012
Restricted Stock [Member]
Dec. 31, 2012
2005 Plan [Member]
Non Employee Directors [Member]
Quarterly [Member]
Dec. 31, 2011
2005 Plan [Member]
Non Employee Directors [Member]
Quarterly [Member]
Dec. 31, 2013
2005 Plan [Member]
Non Employee Directors [Member]
Dec. 31, 2012
2005 Plan [Member]
Non Employee Directors [Member]
Dec. 31, 2011
2005 Plan [Member]
Non Employee Directors [Member]
Dec. 31, 2013
2005 Plan [Member]
Employees [Member]
Dec. 31, 2012
2005 Plan [Member]
Employees [Member]
Dec. 31, 2013
2005 Plan [Member]
Dec. 31, 2013
The 2013 Plan [Member]
Dec. 31, 2013
Employee Stock Purchase Plan 2000 [Member]
Dec. 31, 2013
Minimum [Member]
Dec. 31, 2012
Minimum [Member]
Note 6 - Stock Based Compensation (Details) [Line Items]                                                            
Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Percent           85.00% 85.00%                                         95.00%    
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized                       11,382,600                               294,461    
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period     3 years   1 year         3 years 3 years               1 year 1 year                    
Share Based Compensation Arrangement by Share Based Payment Award, Number of Equal Quarterly Installments for Award Vesting               4 4                                          
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross 5,639,000 468,000   45,000                   565,000             589,000 112,500 112,500 5,050,000 355,000          
Share Based Compensation Arrangement by Share Based Payment Award Options Cancelled in Period 502,000 475,000                     502,000                                  
Share-based Goods and Nonemployee Services Transaction, Quantity of Securities Issued                             416,668 2,083,338                            
Share Based Compensation Arrangement by Share Based Payment Award, Equity Instruments Other than Options Lock In Period                             6 months                              
Allocated Share-based Compensation Expense (in Dollars) $ 145,000 $ 80,000                         $ 56,000 $ 464,000 $ 56,000 $ 464,000                        
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant                                                   1,317,000 6,266,000      
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Stock Options (in Dollars)                         $ 333,000                                  
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition                         1 year 288 days                                  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value (in Dollars per share) $ 0.09 $ 0.16                                                     $ 0.07 $ 0.12
Period of Intervals for Subscription of Shares Common Stock                                                       6 months    
Share-based Compensation Arrangement by Share-based Payment Award, Maximum Employee Subscription Rate                                                       10.00%