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v3.20.1

Note 1 - Organization and Significant Accounting Policies (Tables) | 3 Months Ended
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Mar. 31, 2020
Notes Tables |
Revenue from External Customers by Products and Services [Table Text Block] |
|  | Three Months Ended March 31, |
Revenue by customers’ geographic locations |  | 2020 |  |  | 2019 |
United States |  |  | 74 | % |  |  | 60 | %
Canada |  |  | 11 | % |  |  | 23 | %
Europe, Middle East, Africa (EMEA) |  |  | 12 | % |  |  | 13 | %
Other |  |  | 3 | % |  |  | 4 | %
Total revenue |  |  | 100 | % |  |  | 100 | %

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