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Note 5 - Cash, Cash Equivalents and Restricted Cash (Tables) | 12 Months Ended
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Dec. 31, 2021
Notes Tables |
Schedule of Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents [Table Text Block] |
|  | 2021 |  |  | 2020 |
Cash and cash equivalents |  | $ | 3,254 |  |  | $ | 4,210 |
Restricted cash |  |  | 1,696 |  |  |  | 3,885 |
Total cash, cash equivalents and restricted cash |  | $ | 4,950 |  |  | $ | 8,095 |

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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