Note 17 - Injection Wells Suspension (Details Textual)	Dec. 31, 2020	Sep. 03, 2014
Number of Suspended Saltwater Injection Wells	2	2

The number of suspended saltwater injection wells due to a seismic event.

No definition available.

Name:	awx_NumberOfSuspendedSaltwaterInjectionWells
Namespace Prefix:	awx_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant