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v3.20.1

Note 2 - Cash Equivalents (Tables) | 12 Months Ended
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Dec. 31, 2019
Notes Tables |
Schedule of Cash and Cash Equivalents [Table Text Block] |
|  | December 31,
|  | 2019 |  | 2018
Total cash and cash equivalents |  |  | 20,886 |  |  |  | 19,464 |
Short term investments |  |  | - |  |  |  | - |
Total cash and cash equivalents, and short term investments |  |  | 20,886 |  |  |  | 19,464 |

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