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Note B - Revenue From Contracts With Customers (Tables) | 12 Months Ended
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Dec. 31, 2020
Notes Tables |
Disaggregation of Revenue [Table Text Block] |
|  | North America |  |  | South America |  |  | EMEA* |  |  | Asia |  |  | December 31, 2020 |
License fees |  | $ | 842,307 |  |  | $ | - |  |  | $ | 46,922 |  |  | $ | 72,809 |  |  | $ | 962,038 |
Hardware |  |  | 267,996 |  |  |  | - |  |  |  | 144,647 |  |  |  | 29,873 |  |  |  | 442,516 |
Services |  |  | 1,296,696 |  |  |  | 18,300 |  |  |  | 94,124 |  |  |  | 23,108 |  |  |  | 1,432,228 |
Total Revenues |  | $ | 2,406,999 |  |  | $ | 18,300 |  |  | $ | 285,693 |  |  | $ | 125,790 |  |  | $ | 2,836,782 |
|  | North America |  |  | South America |  |  | EMEA* |  |  | Asia |  |  | December 31, 2019 |
License fees |  | $ | 208,827 |  |  | $ | 46,717 |  |  | $ | 117,401 |  |  | $ | 69,704 |  |  | $ | 442,649 |
Hardware |  |  | 388,938 |  |  |  | 12,636 |  |  |  | 342,304 |  |  |  | 155,756 |  |  |  | 899,634 |
Services |  |  | 794,318 |  |  |  | 8,514 |  |  |  | 99,911 |  |  |  | 22,502 |  |  |  | 925,245 |
Total Revenues |  | $ | 1,392,083 |  |  | $ | 67,867 |  |  | $ | 559,616 |  |  | $ | 247,962 |  |  | $ | 2,267,528 |

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