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Note 2 - Summary of Significant Accounting Policies (Details) - Net Income (Loss) Per Share (USD $)
In Thousands, except Share data, unless otherwise specified
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Net Income (Loss) Per Share [Abstract]    
Net income (loss) of Avalon Holdings Corporation common shareholders (in Dollars) $ (1,080)us-gaap_NetIncomeLoss $ 438us-gaap_NetIncomeLoss
Shares used in computing basic income (loss) per share 3,803,331us-gaap_WeightedAverageNumberOfSharesOutstandingBasic 3,803,331us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
Potentially dilutive shares from stock options   287,000us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
Shares used in computing dilutive income (loss) per share 3,803,000us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding 4,089,679us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding
Income (loss) per share attributable to Avalon Holdings Corporation common shareholders    
Basic net income (loss) per share (in Dollars per share) $ (0.28)us-gaap_EarningsPerShareBasic $ 0.12us-gaap_EarningsPerShareBasic
Dilutive net income (loss) per share (in Dollars per share) $ (0.28)us-gaap_EarningsPerShareDiluted $ 0.11us-gaap_EarningsPerShareDiluted