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Note 4 - Cash, Cash Equivalents and Restricted Cash (Tables) | 12 Months Ended
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Dec. 31, 2018
Notes Tables |
Schedule of Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents [Table Text Block] |
|  | 2018 |  |  | 2017 |
Cash and cash equivalents |  | $ | 1,406 |  |  | $ | 1,025 |
Restricted cash |  |  | 502 |  |  |  | 2,826 |
Cash, cash equivalents and restricted cash |  | $ | 1,908 |  |  | $ | 3,851 |

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- Definition Tabular disclosure of the components of cash, cash equivalents, restricted cash and restricted cash equivalents. + References No definition available. + Details
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Namespace Prefix: | awx_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration