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Note 4 - Revenue Disaggregation (Tables) | 9 Months Ended
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Sep. 30, 2022
Notes Tables |
Disaggregation of Revenue [Table Text Block] |
|  | Three months ended September 30, 2022 |
|  | Over time |  |  | Point in time |  |  | Total |
Aerospace |  | $ | - |  |  | $ | 154 |  |  | $ | 154 |
Energy, storage and transmission |  |  | 3,791 |  |  |  | 25 |  |  |  | 3,816 |
Industrial |  |  | 1,653 |  |  |  | 1,153 |  |  |  | 2,806 |
Research |  |  | 827 |  |  |  | 516 |  |  |  | 1,343 |
Total |  | $ | 6,271 |  |  | $ | 1,848 |  |  | $ | 8,119 |
|  | Three months ended September 30, 2021 |
|  | Over time |  |  | Point in time |  |  | Total |
Aerospace |  | $ | - |  |  | $ | 574 |  |  | $ | 574 |
Energy, storage and transmission |  |  | - |  |  |  | - |  |  |  | - |
Industrial |  |  | 1,551 |  |  |  | 1,205 |  |  |  | 2,756 |
Research |  |  | 612 |  |  |  | 388 |  |  |  | 1,000 |
Total |  | $ | 2,163 |  |  | $ | 2,167 |  |  | $ | 4,330 |
|  | Nine months ended September 30, 2022 |
|  | Over time |  |  | Point in time |  |  | Total |
Aerospace |  | $ | - |  |  | $ | 1,375 |  |  | $ | 1,375 |
Energy, storage and transmission |  |  | 6,714 |  |  |  | 49 |  |  |  | 6,763 |
Industrial |  |  | 4,099 |  |  |  | 3,197 |  |  |  | 7,296 |
Research |  |  | 1,832 |  |  |  | 1,313 |  |  |  | 3,145 |
Total |  | $ | 12,645 |  |  | $ | 5,934 |  |  | $ | 18,579 |
|  | Nine months ended September 30, 2021 |
|  | Over time |  |  | Point in time |  |  | Total |
Aerospace |  | $ | 386 |  |  | $ | 1,677 |  |  | $ | 2,063 |
Energy, storage and transmission |  |  | - |  |  |  | - |  |  |  | - |
Industrial |  |  | 4,147 |  |  |  | 3,173 |  |  |  | 7,320 |
Research |  |  | 1,164 |  |  |  | 1,183 |  |  |  | 2,347 |
Total |  | $ | 5,697 |  |  | $ | 6,033 |  |  | $ | 11,730 |
Schedule Of Cost And Estimated Earnings In Excess Of Billings [Table Text Block] |
|  | 2022 |
Costs incurred on contracts in progress |  | $ | 11,921,048 |
Estimated earnings |  |  | 8,530,639 |
|  |  | 20,451,687 |
Billings to date |  |  | (18,548,776 | )
|  |  | 1,902,911 |
Deferred revenue related to non-system contracts |  |  | (228,336 | )
|  | $ | 1,674,575 |
Included in accompanying condensed consolidated balance sheets under the following captions: |  |  |  |
Contract assets |  | $ | 3,152,469 |
Contract liabilities |  | $ | (1,477,894 | )

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