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Note 11 - Stock Based Compensation (Details) (USD $)
3 Months Ended 6 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2014
Selling, General and Administrative Expenses [Member]
Jun. 30, 2013
Selling, General and Administrative Expenses [Member]
Jun. 30, 2014
Selling, General and Administrative Expenses [Member]
Jun. 30, 2013
Selling, General and Administrative Expenses [Member]
Jun. 30, 2014
Employee Stock Option [Member]
Jun. 30, 2014
Restricted Stock [Member]
Director [Member]
Non-Employee Plan [Member]
Jun. 30, 2014
Restricted Stock [Member]
Restricted Stock Plan 2005 [Member]
Jun. 30, 2014
Restricted Stock [Member]
May 14, 2014
2010 Plan [Member]
May 13, 2014
2010 Plan [Member]
Note 11 - Stock Based Compensation (Details) [Line Items]                      
Allocated Share-based Compensation Expense   $ 99,000 $ 120,000 $ 200,000 $ 220,000            
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in Shares)               200,000   1,600,000 600,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Stock Options 200,000                    
Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition           1 year 6 months     1 year 6 months    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in Shares)             41,760   41,760    
Share Based Compensation Nonvested Awards Total Cost Not Yet Recognized Share Based Awards Other Than Options                 $ 400,000