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Note 4 - Cash, Cash Equivalents and Restricted Cash (Tables) | 12 Months Ended
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Dec. 31, 2022
Notes Tables |
Schedule of Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents [Table Text Block] |
|  | 2022 |  |  | 2021 |
Cash and cash equivalents |  | $ | 1,624 |  |  | $ | 3,254 |
Restricted cash |  |  | 10,426 |  |  |  | 1,696 |
Total cash, cash equivalents and restricted cash |  | $ | 12,050 |  |  | $ | 4,950 |

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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_
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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