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v3.19.1

Note 9 - Other Current Assets (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2018
Notes Tables |
Schedule of Other Current Assets [Table Text Block] |
|  | December 31, |
|  | 2018 |  |  | 2017 |
Prepaid expenses |  | $ | 576 |  |  | $ | 571 |
Contract assets |  |  | 839 |  |  |  | 0 |
Other |  |  | 3,340 |  |  |  | 1,432 |
Total |  | $ | 4,755 |  |  | $ | 2,003 |

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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
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