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Note 5 - Capital Leased Assets (Details Textual) | 1 Months Ended |  |
--- | --- | --- | ---
Nov. 30, 2003 | Dec. 31, 2017 USD ($) | Dec. 31, 2016 USD ($)
Capital Leases, Future Minimum Payments Due, Next Twelve Months |  | $ 256,000 |
Capital Leases, Balance Sheet, Assets by Major Class, Net |  | 6,360,000 | $ 6,035,000
Capital Leased Asset, Equipment for Landfill Operation [Member] |  |  |
Capital Leases, Balance Sheet, Assets by Major Class, Net |  | 100,000 |
Golf and Related Operations [Member] |  |  |
Capital Leases, Balance Sheet, Assets by Major Class, Net |  | 800,000 | $ 300,000
Squaw Creek Country Club Lease [Member] |  |  |
Initial Lease Term | 10 years |  |
Number of Consecutive Renewal Term Options | 4 |  |
Renewal Lease Term | 10 years |  |
Capital Leases, Future Minimum Payments Due, Next Twelve Months |  | 15,000 |
Leasehold Improvements Required to be Made Per Year |  | $ 150,000 |

X
- Definition The initial term of the lease. + References No definition available. + Details
Name: | awx_InitialLeaseTerm
Namespace Prefix: | awx_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the amount of leasehold improvements required to be made per year. + References No definition available. + Details
Name: | awx_LeaseholdImprovementsRequiredToBeMadePerYear
Namespace Prefix: | awx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Represents the number of consecutive renewal term options. + References No definition available. + Details
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Namespace Prefix: | awx_
Data Type: | xbrli:positiveIntegerItemType
Balance Type: | na
Period Type: | duration

X
- Definition The renewal of the lease term. + References No definition available. + Details
Name: | awx_RenewalLeaseTerm
Namespace Prefix: | awx_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The total gross amount less the charge for the use of the long-lived depreciable assets subject to a lease meeting the criteria for capitalization. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=84164817&loc=d3e45280-112737 + Details
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Balance Type: | debit
Period Type: | instant

X
- Definition Amount of minimum lease payments for capital leases due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=84164817&loc=d3e45280-112737 + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
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X
- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |

X
- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |