Note 16 - Asset Acquisition - Assets Acquired and Liabilities Assumed (Details) - Boardman Tennis Center [Member] $ in Thousands	Mar. 07, 2018 USD ($)
Building and land	$ 1,302
Total assets acquired:	1,302
Accrued liabilities	33
Total liabilities assumed	33
Total consideration	$ 1,269

Amount of accrued liabilities that are used in an entity's business and related party payables, assumed at the acquisition date.

No definition available.

Name:	awx_AssetsAcquisitionRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAccruedLiabilities
Namespace Prefix:	awx_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant