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Note 2 - Summary of Significant Accounting Policies (Details) (USD $)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]      
Cash and Cash Equivalents, at Carrying Value $ 4,329,000us-gaap_CashAndCashEquivalentsAtCarryingValue $ 9,798,000us-gaap_CashAndCashEquivalentsAtCarryingValue $ 7,888,000us-gaap_CashAndCashEquivalentsAtCarryingValue
Asset Retirement Obligation 100,000us-gaap_AssetRetirementObligation 100,000us-gaap_AssetRetirementObligation  
Weighted Average Number of Shares Outstanding, Basic 3,803,331us-gaap_WeightedAverageNumberOfSharesOutstandingBasic 3,803,331us-gaap_WeightedAverageNumberOfSharesOutstandingBasic  
Weighted Average Number of Shares Outstanding, Diluted 3,803,000us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding 4,089,679us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding  
Land Improvements [Member] | Minimum [Member]      
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]      
Property, Plant and Equipment, Useful Life 0 years    
Land Improvements [Member] | Maximum [Member]      
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]      
Property, Plant and Equipment, Useful Life 30 years    
Building and Building Improvements [Member] | Minimum [Member]      
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]      
Property, Plant and Equipment, Useful Life 5 years    
Building and Building Improvements [Member] | Maximum [Member]      
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]      
Property, Plant and Equipment, Useful Life 50 years    
Machinery and Equipment [Member] | Minimum [Member]      
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]      
Property, Plant and Equipment, Useful Life 3 years    
Machinery and Equipment [Member] | Maximum [Member]      
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]      
Property, Plant and Equipment, Useful Life 10 years    
Annual Membership Fees [Member]      
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]      
Deferred Revenue $ 2,300,000us-gaap_DeferredRevenue
/ us-gaap_DeferredRevenueArrangementTypeAxis
= us-gaap_AnnualMembershipFeesMember
$ 2,300,000us-gaap_DeferredRevenue
/ us-gaap_DeferredRevenueArrangementTypeAxis
= us-gaap_AnnualMembershipFeesMember
 
Assuming Dilution [Member]      
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]      
Weighted Average Number of Shares Outstanding, Diluted 4,091,862us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding
/ us-gaap_StatementScenarioAxis
= awx_AssumingDilutionMember
   
AWMS Holdings, LLC [Member]      
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]      
Equity Method Investment, Ownership Percentage 47.00%us-gaap_EquityMethodInvestmentOwnershipPercentage
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= awx_AWMSHoldingsLLCMember