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Note 7 - Long-term Incentive Plan (Details Textual) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Dec. 31, 2014
Avalon Holdings Corporation2009 Long Term Incentive Plan Member          
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized 1,300,000   1,300,000    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number 760,000   760,000    
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period     5 years    
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period     10 years    
Number Of Years After Options Vested, Stock Price Reach Predetermined Vesting Price     3 years    
Allocated Share-based Compensation Expense $ 13,000 $ 19,000 $ 43,000 $ 60,000  
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized $ 52,000   $ 52,000    
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition     1 year 105 days    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number 760,000   760,000   760,000