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Note 4 - Cash, Cash Equivalents and Restricted Cash (Tables) | 6 Months Ended
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Jun. 30, 2019
Notes Tables |
Schedule of Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents [Table Text Block] |
|  | June 30, |  |  | December 31, |
|  | 2019 |  |  | 2018 |
Cash and cash equivalents |  | $ | 3,280 |  |  | $ | 1,406 |
Restricted cash |  |  | 501 |  |  |  | 502 |
Cash, cash equivalents and restricted cash |  | $ | 3,781 |  |  | $ | 1,908 |

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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