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v3.19.2

Other Current Assets (Tables) | 6 Months Ended
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Jun. 30, 2019
Other Current Assets Disclosure [Abstract] |
Schedule of Other Current Assets [Table Text Block] |
| As of June 30, 2019 |  | As of December 31, 2018
Sales and use taxes | $ | 376 |  |  | $ | 180 |
Prepaid expenses | 281 |  |  | 241 |
Other | 175 |  |  | 183 |
Other current assets | $ | 832 |  |  | $ | 604 |

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- Definition Other Current Assets Disclosure [Abstract] + References No definition available. + Details
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- Definition Tabular disclosure of the carrying amounts of other current assets. + References No definition available. + Details
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