Note 3 - Revenue Recognition (Details Textual) |
12 Months Ended | |
|---|---|---|
Dec. 31, 2020 |
Dec. 31, 2019 |
|
| Percentage of Revenue From Products Transferred at Point in Time | 100.00% | 100.00% |
| X | ||||||||||
- Definition The percentage of revenue to total revenue from products transferred to customers at a point in time. No definition available.
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